All clauses herein ("Use License" or "Terms of Use") fully apply to relations between LFC SOLUÇÕES EM INFORMÁTICA LTDA. (henceforth simply "LFC" or "NETCARTAS") and its associates and/or users (henceforth individually referred to as "User" or "Associate").
LFC is a company duly constituted according to the laws of Federal Republic of Brazil, and it is legitimate owner of NETCARTAS.COM.BR website, as well as of all industrial and intellectual property rights associated, related, or corresponding to it, being equally the exclusive holder of rights on software which is the subject-matter of this License of Use and of other resources that it offers (henceforth simply "Service" or "Services").
NETCARTAS provides Internet entertainment services, including, without limitation, card games like buraco and canasta, except for any kind of chance games, all pursuant to terms in clause "Services Rendered" herein. Services are rendered through software whose use is licensed by NETCARTAS to its Users under conditions determined herein.
1. ACCEPTANCE
1.1. This instrument is an agreement electronically executed and it is legally effective and valid in compliance with Brazilian Civil Code and applicable legislation.
1.2. Its acceptance will always be in full and the user will give unequivocal acceptance at the moment of her/his registration using the option "I have read and fully accept all terms and conditions of the software license of use and service terms".
1.3. NETCARTAS grants the USER the non-exclusive, onerous, personal and untransferable right to use software in order to have access to NETCARTAS' resources and other services.
1.3.1. Clause 1.3 above regarding onerosity of license applies to USERS member of "NETCARTAS CLUB".
1.3.2. Thus, FREE USERS will have the right to a non-exclusive free, personal, untrasferable license, being aware of the usage limitations to which he is subject due to such gratuitousness.
1.3.3. With no harm to provisions above, all other terms and conditions herein apply indistinctively to any kind of USER when applicable.
1.4. NETCARTAS suggests the User previously reads this document and in case of disagreement with any of the provisions herein, s/he shall simply abstain from creating an account (registration) and make use of the software, being since now aware that the Acceptance of this Term will always be considered broad, general, unlimited, and unequivocal, binding and committing the User in all its terms.
1.5 Are integral part of the Software License of Use and Terms of Service: (a) terms and conditions contained herein, (b) NETCARTAS' Privacy Policy and any rules or policies in force that may be published, periodically by NETCARTAS, applicable to each of the Services (or any other service that come to be provided by NETCARTAS in the future), (c) Usage guidelines considered together as "Additional Rules".
1.6. NETCARTAS reserves the right to, occasionally and at any time, amend, modify, update, and change any term and condition in this License of Use and Term of Service (including each one of the Additional Rules). Any modified version of this document or the additional rules will be effective at the exact moment of its publication in NETCARTAS and continue to use the Services will be taken as the User's tacit agreement with changes carried out.
1.7. It is the User's responsibility to be aware of the current and correct terms and conditions of this Term and Additional Rules that are integral part of it, and NETCARTAS advises the USER to regularly check for updates http://www.netcartas.com.br/termoCondicoes_en.jsp.
1.8. Despite the provisions above, NETCARTAS takes extremely seriously its responsibilities regarding the USER privacy, thus changes in Privacy Policy are strictly subject to modification provisions therein.
2. PROVISION OF SERVICE
2.1. NETCARTAS' website offers to Users of all World Wide Web, by licensing the use of software that it holds, electronic entertainment, leisure, and family fun services, such as card games like buraco and canasta, with the single purpose of providing entertainment and leisure to its users through the innovative resources provided. NETCARTAS does not offer any services related to chance games and/or gambling.
2.2. Financial retribution paid by the USER to NETCARTAS is solely and exclusively due to entertainment software license through the Internet, considering all resources made available by NETCARTAS and maintenance, user support, and company operation needs.
2.3. The User is aware of and agrees that the Service is supplied as is and that NETCARTAS is not responsible for the impossibility of any communication or access to the Internet by the User. In order to make good use of the Services, the User must obtain by her/himself, directly or through devices, access that can make available the content existent in the Web, paying values charged by her/his access provider, if this is the case, and providing all equipment required to make the Internet connection, including computer, modem, or other access device. Likewise, the user shall always be responsible for hardware equipment required to use the software and other services.
2.3.1. Users with dial-up or radio connection may sometimes be disconnected from the game or also have problems of slowness due to technical problems of the user's provider itself. NETCARTAS takes no responsibility for these problems and the USER
is aware that similar situations can also happen for users who have broadband Internet connection.
2.3.2. In order to ensure the Service good operation, NETCARTAS reserves the right to change the way resources and software it offers are made available, at its sole discretion, without any previous notice, publishing in the Website modifications that come to be effective. Therefore, we emphasize that the Service is provided only according to and when it is available to all Associates and free users and members of "NetCartas Club", not being the user entitled to make any acquired right claims regarding resources possibly excluded from NETCARTAS' Website.
2.4. NETCARTAS also reserves the right to change games rules, scoring, and ranking of any kind and make redistribution in the Associate's scoring if necessary, informing the changes that come to be effective through announcements posted in the website.
2.5. In case of incorporation of new services to the website, they will be included in this Term of Use, automatically falling over them the rules already effective.
2.6. It is allowed to a free user to leave a game already started only for REAL personal reasons or in cases of acts of God. In case of use of this prerogative for more than three times, whether consecutive or not, NETCARTaS reserves the right to suspend the account of such associate for period not longer than 24 hours, time in which the associate will be temporarily unable to enjoy the services rendered. Intentional disconnections will not be admitted and it will be up to NETCARTAS evaluate the User's behavior and apply appropriate sanctions.
3. ASSOCIATION
3.1. In order to provide to new users information on its services previously to the possible association, NETCARTAS makes available an account for those called "FREE USERS". This account, which has undetermined expiration date, gives the Free User the right to play 3 games, CONCLUDED OR NOT. Free User will proceed to registration of an access account following the same procedures determined by the Website and in compliance with Privacy Policy and these Terms of Use every time it is applicable.
3.2. After using the total games allowed per day (concluded or not), the Free User can play again on the next day or become an associate to NetCartas Club in the terms of following Clauses.
3.3. With no harm to the provisions in this clause, the FREE USER is bound to all terms and conditions of the service use, granting NETCARTAS the right to take all necessary measures relatively to the FREE USER behavior, and game rooms reserved for this type of user will be made available.
3.4. When s/he becomes an associate, the User will be an integral part of "NETCARTAS Club". For such, s/he must follow all registration steps available in NETCARTAS Website as follows:
3.5. The user will register an access account or complete its registration, according to the case, and s/he must choose a password and ID (login), being then fully responsible for keeping this password and ID confidentiality, as well as for all activities that happen under her/his password and ID. The User agrees to:
(a) immediately notify NETCARTAS on any unauthorized use of her/his password or account or any other security breaching that s/he become aware of;
(b)log off of her/his User account at the end of each session and ensure the account is not accessed by unauthorized third parties. NETCARTAS will not be responsible for any loss or damage arising from the User not following the provisions of this clause.
3.6. The service type specified herein as "NetCartas Club Associate" (that is, not "free" or "guest") is offered upon payment made by the User based on the category chosen by her/him at the signature of specific plans of determined cost and defined term at the moment of the purchase. Access to services offered to "NetCartas Club Associates" will happen at moment in which the user is already with her/his subscription duly registered and/or completed in NETCARTAS' systems and when s/he has chosen the type of subscription plan that is more interesting to her/him.
3.7. The user can make the payment through methods existent at the moment of registration and immediately access services referred to in the plan in case payment confirmation is received by NetCartas' payment orders system, or also when referred financial transaction is compensated by banks and authorized institutions using the "Bank Collection Slip" payment method. In case of the USER choosing the Credit Card payment method, s/he is aware that NETCARTAS takes no responsibility for problems with the credit card or credit card provider. It is the USER's responsibility to take appropriate caution measures at the moment of the payment with credit card, which will always be made directly with the credit card provider, and not with NETCARTAS.
3.8. Registration confirmation will be sent to the email informed at the moment of registration, presenting also confirmation of the plan chosen and period contracted. If the Associate detects any incorrect data, s/he can access the website and correct it at any time using the "My Account" option.
3.9. NETCARTAS does not guarantee that such email with the order data will be able to arrive at the user's mailbox, since many email service providers may sometimes consider some emails as span and store them in a restricted area of the User's mailbox.
3.10. It will be the user's responsibility to find this email only to check her/his order data, since the data itself have already been displayed at the moment of the purchase, and on that occasion the user her/himself must store it for her/his security.
3.11. The User Associate to "NetCartas Club" will have free access to software available and thus, the right to play as many plays as s/he wishes of any games available
at the moment of the access, in any rooms determined for such, including rooms available for Free Users and those reserved for Associate Users.
3.12. Regarding the Services use, the User can only have one account, which s/he will register using her/his nickname. The USER must make use of software and access the Services only through her/his own account and can never use the Services using someone else's account or a double or fictional account. If the USER tries to open more than one account using her/his own name or any other name, or if s/he tries to use the Services through anyone else's account, NETCARTAS can immediately close all her/his accounts and forbid her/him to use the Services in the future.
3.13. User account and thus software usage must be only for personal use and must not be employed for any professional, commercial, or business end.
3.14. Software, their structure and organization are protected by their respective copyrights, business secretes, intellectual property, and other rights. The USER must not:
(a) copy, distribute, publish, make reverse engineering, decompile, dismantle, change, or translate Software, or make any attempt to access source code in order to create works derived from it or for any other ends;
(b) Sell, assign, sublicense, transfer, distribute, or rent the Sofware;
(c) Make software available for third parties through computer network or otherwise;
(d) Use Software in a way that is forbidden by applicable laws or regulations and in violation to other terms of this service.
3.15. The USER's account with NETCARTAS is for her/his exclusive benefit. The USER must not allow third parties (including relatives) to use her/his account to make use of software and other services and her/his password or ID to access or use the Services, and s/he will be fully responsible for any third parties' activity in her/his account. The USER must not disclose his account's user name and password to anyone and s/he must take appropriate measures to ensure these data are not disclosed to third parties.
4. USER BEHAVIOR, SANCTIONS, REVOCATION, AND CANCELLING OF SERVICE
4.1. The user undertakes to provide complete, accurate, truthful personal data during the enrollment procedure, registration of her/his profile, and charging of values agreed upon, as well as to keep updated such information provided during the association, always underlining the terms of the Privacy Policy that is an integral part of this document.
4.2. According to determination of NETCARTAS' management, access to the website is granted only to individuals over 18 (eighteen) years old. The User states that s/he is capable and over eighteen years old, being, thus duly legitimate to use NETCARTAS' Services.
4.3. In case there are indications of fraudulent information provided during the association act, NETCARTAS may rescind it at any time without reimbursement of amounts possibly paid.
4.4. Providing false information or use third parties information is a crime, qualified in Brazilian Penal Code. In case of damages or harm to NETCARTAS due to illegal action of any of its Users, the User will be compelled to compensate NETCARTAS without harming the possibility being responsible for respective losses and damages and relatively to third parties.
4.5. The User acknowledges and agrees that any information or any other material publicly broadcasted or privately transmitted through NETCARTAS will be full responsibility of the User who provided it. This means each User, and never NETCARTAS, is fully responsible for all and any content that is made available through the Service, such as: messages in the game chat, pictures sent, and conversations in audio and video rooms. It is strictly prohibited any exposure that is inappropriate, prejudiced, sensual, erotic, pornographic, religious, or illicit or inadequate in any other way, at NETCARTAS' discretion, in any audiovisual feature offered.
4.6. NETCARTAS reserves the right to end the association at the moment it becomes aware of irregular behavior, falsehood, or bad faith employed by the User, and it can prevent the User's later return to services offered by the website without any reimbursements.
4.7. NETCARTAS repudiates any kind of practice by USERS that intend to make abusive and irregular usage of the services. Below, as mere exemplification, are some of the forbidden practices: Fraud: NETCARTAS has resources in order to locate and identify users that use the Services in a fraudulent or illegal manner. The USER must not violate, access, try to violate or access or somehow fraud NETCARTAS' security measures. If NETCARTAS believes, according to its own criteria, that the USER disrespects this clause, it may immediately cancel the user's access to the Services and/or block the account, and it may communicate interested Third Parties of such violation.
Artificial Intelligence: the use of any software program that, in NETCARTAS opinion, is equipped with artificial intelligence in connection with the use of the Service is forbidden. We constantly analyze the Services use and, in case of suspicion, NETCARTAS reserves the right to take any measure deemed necessary, including immediate block of the access to Services by the offender user, canceling of this user's account, and expropriation of any and all credit or scoring existent in such account.
Intentional Disconnection: The User has no permission to intentionally disconnect her/himself from a game. If, at NETCARTAS investigation criteria, the User violates this clause, it can immediately cancel her/his access to the Services and/or block her/his account. If her/his account is cancelled or blocked under such circumstances,
NETCARTAS will have no obligation to return any payment previously made. In addition to canceling her/his access to the Services and/or block the account, NETCARTAS reserves the right to prevent the USER to access any other of its websites or servers or to access any other services that it provides.
Forbidden Publications: The USER is forbidden to transmit, show, send, or make available through this service any illegal content or content that is offensive to the honor, that exposes the intimacy of third parties, that is vulgar, obscene, prejudiced, racist, or reprehensible. It is also forbidden to publish, make available, or transmit any kind of publicity or means similar to advertisement. The Associate is also prohibited to use the service to watch or harass third parties.
Bad Use of Chat Feature: As part of the Service license, NETCARTAS can offer a chat feature through which users can communicate with each other during the games. NETCARTAS reserves the right to analyze the chat and keep record of all statements made through such resource. Chat records by NETCARTAS can be used at all times, when there is the need or when required by law. NETCARTAS can equally censure inappropriate expressions and forbid their publication to other users, but in case this is not possible, the USER will be fully responsible for any damages s/he causes, and NETCARTAS shall have no responsibility. Use of chat feature is subject to the following rules:
- The User must not make any statements of explicitly sexual or repulsively offensive character, including discriminatory, racist, hate, or profanation expressions.
- The User must not make abusive, defamatory, provocative or insulting statements to other Service users.
- The User must not make statements promoting other online entities or that are somehow related to them.
- The User must not make statements on NETCARTAS or the Websites or any other website in the Internet connected to it that are false and/or malicious and/or harm NETCARTAS.
4.8. In case of violation of any of the provisions above regarding the chat feature, NETCARTAS will have the right to immediately cancel the User's account.
4.9. The User is aware that when using the chat feature, any personal identification information that s/he may send can be read, collected, or used by other users of the same feature and may be used by third parties to send her/him unwanted messages. NETCARTAS is not responsible and shall not be liable for personal identification information that the USER chooses to send using the chat feature.
4.10 The User is aware that s/he may suffer punishments in ranking, suspension, or even revocation of her/his agreement and be forbidden to use the software in case s/he adopts any other anti-sportive tactics in order to obtain advantage over other service users. Besides those mentioned above, is also considered an anti-sportive tactic the use of two or more subscriptions in order to play against oneself, making combined games in order to favor one of the players, using logins or nicknames with inappropriate words that may cause offense or embarrassment, among others.
4.11. NETCARTAS also reserves the right to refuse new registration from a User who has broken some of the clauses in this Term of Use.
4.12. The Associate is aware that the use of this service as a "chance game" is forbidden and s/he undertakes not to use it as such. "Chance game" is understood as a game in which wining or losing depends more on luck than on the players skill, and in which, besides, there are gambling, which is not possible using NETCARTAS` software, which make impossible any kind of gambling by its USERS.
4.13. In this sense, it is void to the associated to employ any means of gambling using the service now offered, such as any mean of acquiring resources of economic or financial value of any kind.
4.14. The User agrees that NETCARTAS may cancel her/his password, account, or the Service use, remove or discard any data if it believes the User is violating or acting against the letter and spirit of this Term of Use.
4.15. The User also agrees that termination of her/his access to the Service, for any reason herein, may happen without previous notice and recognizes and agrees that NETCARTAS can render ineffective or delete her/his account and all information and data in it and/or block the access to such files and Services.
4.16. NETCARTAS highlights that the main purpose of the website is to offer family fun and entertainment to its users through our services, and for this reason it reserves the right to remove from the website any players who are not according to the purpose of the website without any values reimbursement being due.
4.17. The User is aware that any behavior violation of the terms determined in the law and in this Term may result in admonish from NETCARTAS and also, in case of violation to the terms of this Agreement, or at NETCARTAS' discretion, the User access may be temporarily suspended or permanently revoked without harming any other legal order.
5. EXEMPTION OF WARRANTIES
5.1. SERVICES ARE PROVIDED "AS IS". NETCARTAS OFFERS NO EXPLICIT OR IMPLICIT WARRANTIES OR STATEMENTS (whether by LAW, STATUTE, OR OTHER), INCLUDING, BUT NOT LIMITED TO, IMPLICIT GUARANTEES AND TRADEABILITY CONDITIONS, SATISFACTORY QUALITY, SUITABILITY TO SPECIFIC ENDS, INTEGRITY OR ACCURACY OF THE SERVICES. RISKS REGARDING THE LICENSE AND USE OF THE SERVICES is of the USER.
5.2. NETCARTAS OFFERS NO WARRANTIES THAT SERVICES WILL BE COMPATIBLE WITH USERS REQUIREMENTS, CONTINUOUS, TIMELY, SAFE, OR FLAWLESS, THAT DEFECTS WILL BE CORRECTED OR THAT IT IS FREE FROM VIRUSES OR BUGS OR REPRESENTS MATERIALS AND RESULTS ABSOLUTE FUNCTIONALITY, ACCURACY, AND SAFETY OR ACCURACY OF ANY INFORMATION OBTAINED BY THE USER THROUGH THE SERVICES.
5.3. NETCARTAS DOES NOT GUARANTEE THAT GAME RULES SERVE ALL USERS.
5.4. NETCARTAS DOES NOT GUARANTEE THAT DATA AND INFORMATION ARE FREE FROM HACKER OR CRACKER ATACKS.
5.5. IN CASE OF SYSTEM OR COMMUNICATION ERRORS, BUGS OR VIRUSES RELATED TO ACCOUNT ADJUSTMENT OR OTHER ELEMENTS OF THE SERVICES, RESULTING IN DATA LOSS BY THE USER OR ANY OTHER DAMAGE TO HER/HIS COMPUTER EQUIPMENT OR SOFTWARE, NETCARTAS WILL HAVE NO RESPONSIBILITY BEFORE THE USER.
5.6. NETCARTAS SHALL NOT BE RESPONSIBLE FOR ANY ACTION OR OMISSION OF THE USER'S INTERNET PROVIDER OR THIRD PARTIES CONTRACTED IN ORDER TO HAVE ACCESS TO THE SERVER THAT HOSTS THE WEBSITE, BEING CONNECTION SPEED OF THE USER'S FULL RESPONSIBILITY.
5.7. NETCARTAS TAKES NO RESPONSIBILITY FOR ANY OFFENSES, ATACKS, OR MORAL PROVOCATION, DISCRIMINATION, OR PREJUDICE THE USER MAY SUFFER WITHIN THIS WEBSITE ENTERTAINMENT STRUCTURE BY ANY OTHER USER OR EVEN NETCARTAS' REFEREES THEMSELVES.
5.8. NETCARTAS DOES NOT CONTROL AND CONSEQUENTLY DOES NOT GUARANTEE CORRECTION, INTEGRITY OR ANY QUALITY OF SUCH CONTENT. WHILE USING THE SERVICE, THE USER ACKNOWLEDGES AND AGREES THAT S/HE MAY BE EXPOSED TO OFFENSIVE, IMMORAL, OR CENSURABLE MATERIAL.
5.9. NETCARTAS DOES NOT TAKE RESPONSIBILITY FOR INCORRECT USE OF THE SOFTWARE INTEGRATING THE SERVICES, AND THE USER MUST FOLLOW TERMS AND CONDITIONS OF THIS TERM OF LICENSE IN ORDER TO BE ABLE TO ENJOY THE SERVICES OFFERED BY NETCARTAS.
5.10. NETCARTAS RESERVES THE RIGHT NOT TO GIVE ASSISTANCE OR TECHNICAL SUPPORT TO USERS OF THIS SERVICES IN CONCLUSIVE OR DEFINITIVE CHARACTER, HOWEVER, IT MAKES AVAILABLE A CONTACT EMAIL (SUPORTE@NETCARTAS.COM.BR) THAT MAY BE USED TO CLARIFY QUESTIONS AND/OR REQUEST ADDITIONAL INFORMATION, BESIDES KEEPING AN ONLINE SUPPORT TEAM.
6. LIMITATION OF LIABILITY OR NON-LIABILITY
6.1. In order to guarantee the good use of the services it offers, NETCARTAS supervises its games rooms. Nevertheless, NETCARTAS is not liable for any irregular, illicit, fraudulent, illegal, or bad-faith behavior of its Users.
6.2. Once attested the irregularity, NETCARTAS may warn the USER, suspend, block, or cancel the account, at its exclusive criteria, but it will not be compelled to take any other measure relatively to it. NETCARTAS is a company committed to comply with current laws in the Country and it will make what is possible to keep its users pursuant to terms and conditions herein, but it does not guarantee and it is not liable for its users` behavior regarding to third parties.
6.3. NETCARTAS has no obligation to keep accounts names or passwords. If the User forgets or loses the name her/his account or password for any reason that it is not NETCARTAS' mistake, NETCARTAS will take no responsibility.
6.4. The User agrees that s/he is free to choose if s/he wishes to use or not the Services and that s/he acts for his account and risk, not being later able to make NETCARTAS liable for her/his decision.
6.5. NETCARTAS must not be made liable by users or third parties as a result of agreement, illicit action, guilt or in any other way for losses or damages arising from the use s/he makes of the Services, or somehow connected to them, whether direct or indirect, including, but not limited to, damages for loss of business, loss of profits, moral damages, loss of trade information or any other pecuniary or consequential loss (even if NETCARTAS has been notified of the possibility of such losses or damages).
6.6. NETCARTAS will not be made liable as a result of contract, illicit action, negligence or in any other way for losses and damages arising from the use of any link in the websites or somehow connected to them. NETCARTAS is not liable for the content of any Internet website that has its link included in the Websites or Services.
6.7. The User confirms that NETCARTAS must not be made liable by her/him or third parties for any change, suspension, or discontinuity of the Services.
6.8. No clause in this Agreement has the purpose to exclude any obligation of NETCARTAS with frauds, dysfunction, or personal damages caused by its exclusive fault.
7. VALUES REIMBURSEMENT
There is no forecast for repayment of values already paid, or even installments due.
Because it is a service, not a product, the purchase of the service plan "Associate of
NetCartas Club" is not reimbursable, in other words, NetCartas will not return the money after payment is made.
8. LEGAL EFFECT AND TERMINATION BY THE USER
8.1. The User may use NETCARTAS services for an undetermined time and in compliance with terms and conditions of this Term, and the agreement can be terminated at any time by NETCARTAS, regardless previous notice, in cases established herein or due to violation hereof by the User.
8.2. The User can at any time request contractual termination, regardless previous notice, informing NETCARTAS on her/his decision in written.
8.3. In case of User Associate to NETCARTAS Club, s/he is aware that any amount already paid at the time of termination will not be restituted or reimbursed in any case.
9. FINAL PROVISIONS
9.1. Software License of Use and Terms of Service are the full agreement between the User and NETCARTAS, and will govern the Service usage by the User, replacing any previous agreement between the User and NETCARTAS.
9.2. If any part of this Agreement is considered illegitimate, without legal validity, or for any reason unenforceable, this part shall be considered excluded from the remaining of this Agreement and this fact shall not affect the validity or the execution of any of the remaining parts. In these cases, the part considered invalid or unenforceable must be re-written in a manner that is compatible to the applicable law in order to reflect as accurately as possible the original intention of the parties.
9.3. Any NETCARTAS' contractual waiver in connection to any term of this agreement shall be interpreted as contractual waiver of any previous or immediate violation of a term of this Agreement.
9.4. Except when indicated otherwise, definitively no part of this Agreement will make possible or grant any right or any other benefit to third parties.
9.5. Definitively, any part of this Agreement shall be interpreted as constituting any company, association, or organization of monopoly, trustee relationship, or any other kind of joint venture between NETCARTAS and the User.
9.6. NETCARTAS is the sole and legitimate owner of NETCARTAS brand and it is forbidden to the USER or any third party to reproduce, in whole or in part, NETCARTAS brand.
10. LAW AND COURT OF ELECTION
Terms of Service are exclusively regulated by Brazilian laws and any issues arising from them that cannot be friendly settled between the user and NETCARTAS will be settled by the Central Court of São Paulo State Capital, with express waiver to any other, as privileged as it may be, even if the user resides in another location.
I HAVE READ AND UNDERSTOOD THE TERMS AND PROVISIONS IN THIS AGREEMENT AND SERVICE CONDITIONS AND I AM AWARE OF ITS FULL CONTENT AND ACCEPT ITS CONDITIONS.