Main.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
import java.io.*;
/**
 *
 * @author cteam028
 */
public class Main {
 
    final static String data = "  abacacadacafacaeadafacaiacafafafacaiacaiafafacaladafaeaiacaoacagafafafanacafafalacaoacaiaiafacaoadaiafaiacalafalafafacaxacafaiahafaoacaiafaoacasacafaiaiafaoacaoafafacaxafafafalacaxafaiafafafaracaiaianacaoacalaoafacasacaoafaoacaoafaiaiafafbcadafafaiaeaxacaiafaoacaxafafalalacaoacaxafafafaxafafaiaiacaxacalaiaoafaxacafafarafaoacaiaoafacbcadaoaiaiacaoaiaoafafacbiacaoafalafaoafaialaoacauacafaoanacaxacasafafafaxafafaiaoafblacaiafafafazafafafaxafaoacaranafacaxacaoaoalacaxafaiafaoacblacaiagaiaiaoafalafalacbiafafaoajacaoafaxaiafacbcafaoafaiacbcacaoaoafaiaxacafaibcacaoacaiaoaoafa}adaoafaiacaxafalalafafbiafafafaoafaxacaxafaoacbcacafaxaiacaoafauafaoafaxaiafafalafblacaiaiafafblacaiafaxafaxaealaoafacaxacaxalaracaoafaiaoafacbxadafaiaxafaoacaoaiaoafaxacaoalalafbcacaxafafacaxaoafaiaiacblafasafafafbiacafaoaxacaoafaiaoaoafbcacaoafaiafaxafarafaoacciacafaialaiaoafaiaoaoacbcacaoaoaiafaoacbcanaoacaxafafafauacbiafaiafafaobcacafalaxacblacaoaoafacbiafaoafalafaoaiaxaiafacbuafafaoanafaracalafaxacaxafaoaxaoafaoacasafafacbxafaoaiaiacblafakalafafaxafaoafbcacaxacaiaxafafbladaoaiaxafaoafalafafaibxacafafarafblacaiaiaxafbcafafaoaiacaxafblaoafacaxafafaoalacblacaxafaoaibdacaiafaxafaoafalaxafacbiafaoafaoacbcaoaiafaoacbxacaoaiaiaiaoacaraoaoafbiacafaobcacaoacaxalafafblafafaoaiafciacalafafafaxaiaoaiaxacaoacaxaoaoacbcafaxaoaiacaoafaoaiaoacciacafaoalaoaxafaiafaoafbuacafasanacaoafbcafaoacbiafalafaoafblacaiaxafafbcafafafbiacbcafauaoafafaxacaoaialafblaoaiafafacciafaiafaiaiaxacbcahaoafaxacafaxarafaxacaxaoaoacbcafafaiaxafbcacaoafaoafbxacafaobcacaoafaiaxafafa{acblafaiacaxaialaoafafciafaoalaxafaoacaiafaoafbxafafaoaiacblafa}aiafafaxaoaoafalacblacaxafaoafblafafaxaxacaoacalaxaoacbiacaoafauaiaoafaxalafacdfadafafaiaiaxaiaoafaxafaxacaoaxalacblacaxaoafacbjafafaiaxafblafalaiaoalaxacafafblacbiacaxaoafacbcafaoaoaiafaoafaxaoafafcdafaoaoalafaoacaiaiblacblafafaoaiafbcacbcafafafciaiafaiaracblaiaiafafaobxacaoafaxacaoafaobcaoacaxafaxafbcacaxafaiaoafafb~adaoaiaiafblacasaoaoaca}afafaxaoacaoafbiaiafacbcafaoaoaxafciacarafaoafaxacafalazaoaoafaiaoafafciacaoafaxacaxaoalaiafacciacaoaoalaibcafaialaoacbcacaoaxaxafaoacblafafafbiaoafafalacciacaiaoaoafbuafaiafaxacaxacbcaoaoafaxacaoaxaoafaoaiaiafaxafcoafafaiaiaoaoacauanaoacciacafaoalacaxafbiafaoacblaoaoalaiacblafalaoafafbiacaoafbuafblacaiasafaibcacaoaoaiafblafaoafafafciafafaibcafaoafaxafaxacbiacafblanafaoafbcalaoacaxafaoafaoafciacaiaoafaibxafaoaiaxacaoaiaraoafacbxafblafalacaoafaxaxafafciacafafaxafaxafalaoaxafaxacafarauacblafaxaoaoacbxanafafaiacblacblaiafaoaxacafaobcafbcafaiaoaoafbuacaoaiaiafblafalafaoacdxafafafaoaoaoafaialaoafbcafaxaxaxacaxaca{aoafacaxafafaxbcacblacaxafafaoblacaoafbiacblacalaxafacaxaoaoaoarafaxafaxafafacdfacafasaiaiblacaoafblaebiafaoaoalafaoafaxaiaoafb~afafafaiafbxafasaoafafaxafaoaiblacaoafaxblafacbxadaoafasacaoalaraoaoafciacafafalafciafaiafaoafblafaoaxaiafaoacbxafafafbxafaoaoaxacblafaiaiaoafbcafafaoaxaiaxacaoaxaoacciacblalalacaoaoaiafafaccxafaoaoanaiaoacalaxaxacbiacafaoblafauacaxafaoaobcafafaiaiafciacauafaoaibiafafaobcacblacaxbcafacblacaoaoaiacaxaobcafaoacbxafafaiaraoaoafaxafaoaccoafafaoaiafblaiblanafacaxaiaoafalafciacaiaoaoafa~afafaociafaoacalaoafaobiacaxaoaoacblafaiaiaoacdfafaoafaxafbcaca}afaoacaxaiafbialafaoacaxaoaoacciafaoaiaiafblafalalafaociacaoaobdacaxafaiaoaoacbcacblaiaxacaoaoaoaxafacciacafafbcalaoacaxaiaoafbuafaoaoaiacciafbcafafafaxaoafalaoafciafaxaoafafbxacafaoaxafaoacaxaxaxacaxacaoafbcafbcaiaiaoafafecadaiaxaiafaoafalafaxafbiacaxaoaracaoacbiaraoafbcaoafafaxacciafaoafafalciafafaibcacblacaiaxafafbqaoaoafaiacaxafbcaiaoafciacaoaoaoafaxacaxaobcafbcacafbcaiafaoacbuafafafcdafafaobcafblaoaiaiafaiblacaoafaxafblacalblaoacaxacaoaia{afblafaiafaoafc}acaoafaxaiblafaoalaoacaxaiafaxalafaxafciafafacbuaiaoaxaiafblacalaoaoafbxafafafblafaoafaiaxaoacdfadaxafaiafaxaoauafafaiciacaxaoalafaoacaiaoblacciacafaoaxacaoacbcaxafafaxaoaoaoaracdfafaxafafafbcafaoaibiacaoafblaoafacbiafaoaxalacblafaialaoafciafaiafaxaxaxafalafaoacciacafaxaxafblafaxafafafbjafaoaoaiacciacaraxafaoaxafaoafbxafaxafaiaoafafblafaoalaxacblaibcafaoacdxafafafauafaoacaxaxaoafbcacafblaiacbcacbcaoblacaxafaoaialaiblacaiaoaoaocxacafafaxafaoaibcaxafacbiacblafaoafaxaoaiaoafacdfafafaiaxafblafamafaxafbxacaoaoalaibcafaxaiafacblaoafaoaxacciafbcafaoaiaxafafbcbuacaoacaiaoaoacbxacblaoaiaoaoafaoaiafacdxafafafalafblaiaxaoaoacb~acaoaxanafaoafbcaoafafbialafafblacblacaxalaoaobcacafaoaxacciacarblaoafaxafaxaialacaoafbiafaoafdfacaoaoaiafaxafalaiblafaxafafaxaxafbiacaxafafafdfaoafaiaiafblafaoaoafafbiaeaoafbxafaoacaxbiafacbuadblaoaxacbcafalafafafciacaoaxaoaiblafaiafaoafbxaoafaoaxacaoacb~alaoacciafafaoalafbxacaiafaxaoblafafaiaxaoblafalaoaoacciacaoafaracaoaxaiaxaoafdfacaoafaiafaxacblaoaoafaxacaobcbcacaoaibiaoafaibnafafafaiacecacasaiaoafaxafaoafblafbcafaxaxafafbcafaoaxaxacaoafaraoaoacdxacafaoalaoblacaiaoaxacciafaoaoaxacaxafbcafafafaxaoaxaiauafblacaiaoafalcoacaoaociacaoacaoaxafaoaxacaoafbcacciafaiaoaoaccxafafalaiaoaoafbcaoaoacbiafaoblaoacblafbiaiaoacbcaiafafaiafbuaoaxafafafciacaoaibcacblafaxaoafacciafbiaoaiafaoafalbcafacciafafafbuaoaxacaiafblafbcacafbiaiacblafblafaoafbxaoaoafalafblafaxaiaoafb~afafaxaxafaxacalaoaoafciafaoaoaoafaoafaxafafaffiacaoaiaiaiaoaiaraiblacaxafaoaxalafbcacaxaxaoacblafaoaibiacciacbcaoafaobiacafafa~afblafaibcafafbcafaoafaiafciaiblafafacciafafaxbcaoaoafaiafblacbuacafaoaxaiaoafbxanafafciafafaoaoacciafaiaoafafbcacblalaxacblafaubcaoafbiafaoafbcacaoaoaiaiafaoecafafafaiaibxacalafaxafciafafaxaracaoacciafalacbxaoaoaoaxafblacaoaraoaiaxacaoaobcafaxacaxaoaoacciacaoaxaiacaoaxalaoaoacc}afaoaoaxafblacaiaxaoacbcacaoaoaxaoaxacbuafafafaxaiaoalbcacecacaiafafafciaoaiaoaxacaoafazaxafafaxacbcaoauacblaoaxafaoafdfafafaiaiaoaoacaoaoaoafdxafaoaxalacaoafaxalaoaibuafaoafaxacciacalaxaoaoaxacafaiciacaoacaiblaoafcoadaoafaxafblafa{aiafacciaoaoafalaiaxafaxaoaoafblacaoblaiacblafbcafaxacbiafafaoaraociacaxaiafafdfacafafciacbcafaoaoafafaxafblaxalaiaoalaiaoafacdiafaoaiaxafblacasalaxaiaxafafaoaoacciafbiafafacbxaoafaxaiacblafbuafaoaobdacafaobcafaoafaxbiblacblafaoafaiafaxafalaoaoacdxafafalaxaoaoafaxafaxafbxacaoaoaiacblafblaxafacciafafaobcacdfacaiafafaxbuafafaiaxafblafalaoafafbiaiblafblafaoafaxaoafaccoacaoblaiafaxafauaoblacaxafaoaxbcafaoacaxaoafacdfanaoafaiafblafalaiaoafciacaxafbuacbiafaiblafafbcacaxalaxafaoaoaoafaoaodxacafafalafblacaxaxaoafbcafaoaxaiafblacdfaoaoacaxafafasaoacblafaiafblafbxafafafbiafblafarbcafafciacaoaoalafaxaoaxafafacecacaoaiaxagaoafbcaoaoafbxafafblbdacaoafaxaiafafbcaoaxafaiafdxafaoafaoafaxaoafarbcafblacaxaoafaccxacaoaoaxafaxaialaiaoaiciacaoafaoaxbcacaiafblacdfafafaxaxafblafbiaoafacbiafaoafalacblaiaxbcafafblacafaociacaxafbcaxafafaxacblaiarafciafaiaoafafdfafafaoaiaoaoafblanbcacaxacafblbcacaxacaxafaoafb~afaoasaxafblacalafafaidxafaoafblafaoaiaiaxaoafbcaoblafaiafbcafaraoaoacdxacaoaibcafblacaiafaoaociacafblaiafblacbcaoaoacaxaxafafa{acciacbiaoafaobcafafaxaxafaoacblaoaoacbxafaxafalafblaoaiaiaoace~acaiaoanafciaoalafaoacaxacaoazaoafaoafbiaxaoafbxafafafbiacblacauaxafaoaxafafaobxafbuafaxaoaoacblafblaiaiacaoafbcaoafafdxafaoaoaraiaoafaialbcafdfacaoaoaiafaxafblaoafafciaoafaialacciaoaiafaoafbxacblafaxacaoacalciafacbiacaoaoblafaxaiaxaoaoaidfadafaoaxaoblafarafaoacbiafafaobcafblacbxaiaoafblafafaoaiaidfacalafaoaoaxacafaxb~afaoafaiaxaoacc}acaoaoaiacblaoblalaoacciacblafalafaxacaiaxaxafbuaoafaxaxacaoacbcafaoafciaoafaoaoafecacaxaiafaxbcaiafafaxacaxaca~aoaoafciafaobcalacaoafaxaoaoafdxafafafaxaoaoacbcaiaxafciacaoaoaracbcaoaxaoafacbcalaxaxaiafciacaoaoaoafbiacaoafdfafaoacaiauafafb~afaxafaxafciaoalaoaoacciafafaxaoafblafaxafaoaccoacaobiaiacaoafbuaiaoafaxaoaoafalaociacaxafafafecacaialbiacaoaialblaoafbiacblafaxafaoafaiaxaxacdfadafaobiaiblacaoaoaoaoaxacafaxalafblacciaoafafcxaoafafaiafblaibcalafafaxaiafaoblacciafaiaoaoacbcacblaiaxalblaiauafafacfiafaoaobcafaoafaiaiaoafblacaoblaxacaxafbxaoafacaxafaoaobuafblafaiaoafaobxafaoaoaxacciacaobiafafciafaoafalacbcaoaxafaoafcrafaoaxanafaoacbcafciacbiacaoaoaoaoaoafaxbcafacdfafafafaiafciaia}afaoalciacaoaibcacaoafaiblaoaibuacaoafaxafblaoalaiafafdxafafafauaociacaiafblacbcaoaobcaxacaoacciafaoacbiaiaoblalacblacaiaxaoafbuafaoaoaxafbcacbcaoafacciafaxaiblafaoaoaxafafaffiafaoafaiaoaoacaxaxaoaiaxafafaxbcafciafaxafaoafblafafaiaiacecafalalafaobxafafaobjacblacciaxafacbcafaoaoaxacaxaoaoaoaxacciacafalalaxblacaxaoblafdiafafaoaiafaoafbcaiaoafaxafaxaoblacciacaiaoafafbxacafaxciafaoafaraoaoaibiafblaoalacblaiaialafacecaoaoafaiaoaxafbcaoaoacciacaocianafaoacbiafaoafcoafafaiaxafblacaoaiaxafbxafaoafbcafaxaoaibcafacbuacblaraiacblafbcaoafacdxafaoafblafaoaoaxaiaxafbcacaoaoaiacdfacb~aoafafaxaxafaialafblafaxaoafaiciacafaociafblafalbcblafaxafaoaoarafaxafaiafafaofiacaoaiaiaiaoafaoaoaoacciafaxaobcacblacaxaxafafcianafafaxacciacasaoaoaxaxafaoalblacblacaiaoaoafbxafbcaoaiacaoaobuaxafacciacafaxbcafbcafaxafblacblacafbiaiaoblafbcafafacdxafafafauacecafaxaoaoafbcacaoafbiaoaxafaoblafafaxafaoaibxafaoafaxafaoafd{afafaoaxaiblacalaxaoafbiafaoaxaoacaxacciafaoafbcaoaobcaiacciafa{afaoaocdacafafbcaiaoacaiaxaoafecafblaoaiacaxaoalafaoafciafaoaiarafblafaiblaoacbxafalaoaxacaoafcialaoaoaxafafaobcacdxafaiafafafb~afaiaiciacblacbcaxafafbxafaoaoaoaoaoafaiaxaoafdfacafafaxaociacarafaxacciafaoblalacaoalaxafaoacciaoblafaiafblafbcaxafaiaxaiafafciacbcacaxblafafdfadaoaiaiacblaoaoafaoafc}afafaoalaoaoacbialblafbuacaoblaiacaxacbcaoblacciaiaoaiaoafblafaxafafafdfafafaoaxafaoaoauaxafacaxacciaoalafciafaxaxaoafecacafasaxaoaoacalafaoafbiafafaxbuafblafaxaiaoacbcaoafaoaxafdfacblafafafaxacaxaxbxafblacaiaoaxafbsafaoaoaiafaoaoalarafafgxacafaoaxalaxafaxafaoafbcafaoaxaxacaoacbublaoacbxafaoafbcacciacaiaxaoaxblacaoafaxafciacbcaoafafaxaoaoalauacblaxaxafafacfiafafaoaiafblafaoaiblacciaiafaoalaoblafbiafafaccxafaoaiaxafblafbcafafaobiafaoaxblacaoacaibxaoafbcacblaobiacaxafaxafaoafciafafaxalaoblafaiafbcacdfaiafaoaxafblacdfanafafaxafafaoarafciafaiaoblaibcafafaoaxafaoacblblafacdxacaoafalacblaoaxaxafacdiacaoafaiaibcaoalaoblafaxacaoaxblacblafaxafafaobxaiaoafaxafecacaralafafciafaoafbxafaxafaxblafafblafaxbiaiafaoafalafaoafcxacblafa{aoaoafaiaiaoacdfafafbcaxacaxaoblafafafciafaoalbcacblafaiaoafaocxafaoaocdaiblacalaxaoafaxacaoafaoaedfafaiaoafacdfaoaoaiaiaiaoafb~aoblacbiacafblalacaoafciaoaoacblaoafaoaiaidxacalaoafafciacaoaxbuaiaoafaxaoaoaccoacblafaxacaoaiaoaxaoafciafaoaobcafaxacaxafaoaociacaobcaiafciacbcafaoacbiblafafaoacblacaxaiaoaodfafaoaoaxacblacaraxaoafaxafaoaxbcafaoaoaiaoaoacgxadafaiaxafaxaialbcaxacaxafaxaoauafaxacciaoafafbcafaoaiaxafciafaoaoaoaxbxacafafbcacciaoaxaxafacbuafaoafaxafaxafbxafafacdxacafaublafblacaiaoblafbxacafblaiaoaoacbcaiaoafcialaoafalafdfafaiaoaoaoblafaoaiaxafaoafalbcaoacdxafaxaobuacaoafaialafaodfafaoafaiafciacblafblacaxafaobialafaoacciaoafafb~aoafblaiacblafbcaiaxafaxacaoafciafbiaiaiaoaoafdfacaoalaiafblaoaraoafafdxafaoafalaxblacaiaxaoacblacafaociacbcaibcafafaiciafaoaxaxafdfafaxaoaoafbxafaoafaxacaoafblblafafaxafblaoalacaxaiaiafblace~acaoaiaiaoaoafalaoaxaoc}afafaoaoacaoafbiaxaoacdfafaoaoaiacciafaublafafaxafafaldfafaoacasaxafafciadblafaxacblaobcaiaoafciaiafaoarafbuacaxafaxacbcafafciaxafblafblafaoafbiaoafafbcaoblafaxalafalcrafafaoaxacciafalaoafacaxafciaiaoacblaoaxaoafacedafaoafaxaoblaca}aiaoafciacafaxalacciacaxaoafaoblaxafaoaxafblacbcafblafbiacafaxb~acaoacaibiaoafbcacaxaoaxaobcafblaoafafgxafafaialafaoaoaiafaoaccxafblaxanacblacbcbcafacaxafaoaobcafciaiaiafaoaobcafafaxbxacblacaxaoafacciafblaobcafaoafaxaiaoacecacaoaoaiaxaxacalaoblacaxafafbcaraiblafaxafaoaffiafaoaiaxafciaoaoaiafaoaxacaoaobcafbcacaxblaxafb~acaoaiaxacaoaibcaxafafdxacafafaoafciafaxarblacbcaoafaoaiafaxafcxafafafaxaoafaxalafecafaxafaoafdfafaiafaxaoaoacbcaxaoafciafaoafa~afaxaxaiafafacdfacblbcaxafaoacaoaoaxacbiacaoblbcacblacaxaxaoafbuaoafafaxacecafalaoafaiciafaoaiblaoaoacbiaoafaibxacaoaoaiacblaoaualblafdxacafafbcaoaxafaiaoaoacecafafaxaiacaoaodfafafafbxaiaoaoarafblafaibiaoaobcacaoafciacciacaoaoaxafaxacbcaoalafblafaiaoafafdxafaoaoaxafaxafbcaiaoafciafafciaxafbcacbiaoaxacbcaoaoaiaiafblacarafafaodxaoaoafbxacaoafaibcafacciafblaoaiacciafalaoafaiciacaoaib~aiaoacaxaoblalbqafafaoaiafblacblaxaoacaxaoaoafbcacdxacciafafafbuacaobcaxacaoaoalblaoacbiacaoaoaoafblalaxaiafacfiacaoaoaiaobcaia{aoblafaxafaoaxbcacaoafbiaoaoacciafafaoaxafblafalaoafaxciafaoafbuafciacaiaxafacdfanaoaiaiafblafblafafacfiafafaoalaoaoafaiaiciafb~acaoaoaiaoaxafbcafaoafciafaobcaoafblafaiaoaoaibxafaxafciacaoafbuciaoacaxafaoafbcafblaoaiafafafdfafafaxaxafecacalafaoacbiafaoaoaxafblafcialafafbcaiaoaxaxacciafblafaoaoaxacafaxbcafblacaiblafacd{afbiafaxacaoaoalaiaoafciaoaoaoaoafaxacaxaxaoafdfacafa}biafaoacb~afafaocdafaoafalacecacaiaiaoaoblaoafaobiacbcafbcblaoafaxafblaxaracaoafaxafblaffiacafaoaiasaoafaoalaoacciacafaobcaiciafaxaoaoacbfafaoaiaxaociacalaoaoafciafafafecafblacaxaxafafbcafaoaxaiacbxaxaraoafafciafaoalalafaoafciafaoafciafaoblaiacaoacbxaxaoacciaoaoafauafdfacaiaoaoaodfacafaiaxacblaiaoaxaoafbiacblaobcafaoaoaiblafafe~adafafaxafaxacbcafaraoaxaiaoaxblacblafaxafaoaccoaoaoafaiacecacbiaxafaiaxacaoblbcafaxafaiaoaoacblafblalbiaoaoafalafaoacgiacaoaoaraoaoaoaxaiaoacbcafblaoaiacbuafblaxaoacciaxafaxbcacblafaiafafaodiacafafaxafblacbcbcaoafbiafaxaoaoacaxaoaxaoaxacdfacafaxaxaoaoacaraociafbxacafbcalafaoacciaiafafecafaoafaiacciaobcafaoafciacaoaobnafblafaiblafafbxaoaoafaxaiaoafaoaxafaiciacaxafbcaidfacaiafaoafbuafafciaiafblafdfaoafafbiafaoaoblacciacaialaoafbcafafafciaoaxafauaoaoafdxacaoaialacblaxaiaoaoaoecacaoafaiafblafalaxblacaxafaoaobuafbiafbxaoafafbcafafalaiafecafblaoafafbialafaobcacaoafaxbiaoafciacaoaoaxafbxafbcafaoafciafafaiaoblaoacaiaoaxacfiacaoblaxafaoafbuajaoacaxaoaxaoalacciacaxaoaoaiblacblaxciacaoafalaoaoafbxafaoalauafblafaxaiafacfiaoafaoaxafaxacblafaoafciafafbxalafaoacaxafblafcxalafaiaiafecafalaxaoafciacafafblafblaoaxaoafaibcafciaiaiacaoala~aoafacdxacafafbxaoblafaibcblafblacaoaxaiafciacbcaoaoafaxaoafaibuacblacaxaoafaocoafaoblbiacaoacaoaxaoafciacblafalaiaxaoaxafafacf{aoafaoanaiblaiasafaoafdxacblaoaoacaoafaxaxafafbcaoafaoaxafcoafarafaoaoaxafaoaibxacciacaxblaoafciafaoaoaiafaoaibxalafacciacafblaxaociafaiaoblacbcacaoaxaiafblafciafaoaccxafaoafbcafblaiaxaiafaobuafaoafciafaxacalciafacaxacaobcblacblafaiaoaoaffiacaoafaxaiblafauaiaxaoaxaoaoaoalacbcaebxafaoacecafafaxaxacblacalaoaoaobiaiaoafbuafblacaiblaoafdfadblafaiafaxaoaoaxafacdxafblaxalafaoacaxaxaoaccaafafaociacaoaobcaiafaoaxaiafafaoaigxafaiafafaobxafafalaxafblafbuaoaoacbiacaxaobcafblaoaxaiaxacecacaiaoaiaoblacbcaoblacciafaobiauacaoafaxaoafacbxaoaoaoaiafblacblbcaoafciacafafcoacaxafaxaoaoaxbuafaoaxaiacblaoalafaxacfiaoafafaoaiaoacaxaxblafbcafafblaiafciacciafaoacaxafaoaralaociafaxafafaodxacafaoaxafblafalaxafafciacblafbuafbcaiaxaoafacdfafafaiciaoaoafaoaoaoafbiafafblalafciafbialaoacb~axblaoaiacciafbcafafafaxafafaxblacaoafaxbcaoacdfacblafaiafblafaraxaoaigxafafafbcafaxafaiafciacblafaxbcaiafaoacbcblafaobiafafafbcafblafaxaiaoaxdfacaoafaxafdfafaoaoafacaxaoaoaxbcacblafaxafaoafesafaoaoaiaoaoacbcaoblacaxacafblblafaxacbiaoaoafdfanafaxaxacblafauafafafbxacblaobcafblacaiciafacblafbcafbiacciafalaoaoaodxafafalarafblaiaxafaoafbxafafaxaxafaoafecaiaoacaxaoafaoalafb~afaiblaoafciacaoaibiaiaoafbcaoaoacdxacblafaoafblblaxalafafdfacaoafaiaiciafaraoaoacciacaoaxbcaoaoafaxafafafdfaoafaoaxacdxacalaxafafaxafaoaob~afaxafaxaoaoafbcacblblaxafaoalaoafblafdxaiafaobcaoaoafaiaiaoafe~acafblanafbcaibxafafafaxafaxaiaoafecacaxaoaoafbxacafafciafaoafa{bxaoafaxaoaoafalacciafbiaoafafecafaiaiaiafblafbxaoaxacciafafblaracblacaxaiblafbcafafaoaiaociafaoaoaoaxciacafaldfacblafaiaoaoacdiacblaoaiafaoafalbiaoacciafaxaoblaobcacaiafaoaobcafaxaxaiacblafbuaoafacdxaxaoaoalacblafaxarafaoblacafaociacaxafbcaobcacciacaxaiaxaoaoafaiaoafachlacaoafaxaoblaoblanaoafaxacaoaxalacaxaoaxaxaoacbuaoafalaxacecacbcafafaxbiafaoaociafblacaibiafacbcafaoaoaxafblafb~afaoafciacaobialalblafaiafblafciafaoaoaxafblacbcalafacdxaoafafaracdxafaiafaoafdfaoaoaxaxafaoafaoblafaobxacblafbcacaoaiaxaiaoafc{acaoaoaxaociacasaoaoacaxaiafblblafaoacdxaoafacbxaoafaoaxafblafaraiblafaxacaoaobcafdfacaiaxafacecafaoaiaiaoaoblalafaoafdxacaxaobdafaoafaxbcbcafdfacafblaxacaxacblaoafafaxafaoaialafecafaxafaxaicbaoafafaxafaoafbcaxaoafciacblaxaoacaxafaiaoaoaffiafaoasaiaoaoafaxaoblafdxafafaoalacaoafciaxafacblaiblafaxacdfafbcaoafafaxafafaxcxacaoaoaxaoafaobxafaxafaxacecafaoaoafafciafafafalaxciacaxaoaoafb~acaobxaxacblacbcaoaoacbxaoafaoblalblafaiaiafafdfafaoafbiacaxafbublaoacaxafblalbcafaoafaiblaoacgxadaoaoaxaiaoacalaiblaoaxacafaxa{acciafaxafaxaibcaoaoaiaiacciacblaoaoaodxafaoaobcafaoacaxbcaoafbuafaoafaiaoaxaxalafafafgxafaoaiaoafbcaiaiafblafcoacaoblaiafblafbqaxafafciafafaodfacciacaiafafaoblacaoauaxafblafbcaxafafbiaoblafarafblafbiaxafacdfaoafaoaiafbcafaoafciafciacafaxbcafblacciafaoafdxafaoafaiacblafalbcaoaxaxafaoafblacaxafaxciaoacbcacaoaxbiacblafbuafafaodxacafaoalafblaiaiaxaoacciaoafaoaiacciafdfafaoacaxaoaobcauafblafaxafaxafbxafaoafciafblafaoaxafacciafaxblalafbcaoaiafafafe~acblaiaxaoaoacalaoblacbiafaoaxblaoblacaxaoafaidfafafafaxafgxacaoafaoaoaxafafaibxafaoafaxaoaoafdfacaoblaiafaxaobcaxaoacciacafafaraxaxafbiaoaoaccoacaobcaxacaoaoblaoaoacbiaoblafalafdfafaiaxafaob~afafafciafbuacalblafafciacaoaiblacblaiaiaoafaffianaoaoaxafaoacbualaoacaxacblblbcacaxafbiafaoaiblaoafaxaxafblacalaoafaffiacafaociafblaoaibiaoafbcacciafaiafaxafaoaoaoafciafaoaobcafblafaiaxaxafcxacafaoaiafblafdfaiaoacciaoaoafaoacdfafciafaoalbcacaobiaxaiblafaublaoacbiacaoafalaoaoaoaialblafgxafafafaxaiaxafalafaxafaxafaociarafblacaxaoafacdfaiaoaibiacblacblaiafaociaoafaobcafciacaiaoaoaccraobialaiafaoaobcafafafdxacafblaxafblacaxaiciafbcafaoaxaxaibcafbuaoafafciafafaxalafblafaxaoaoafciafaoafbxacblafalbuafafaxafblafb~acciaoaiaoafafdfacafaiaiaxciacblafaoafbxaoaoaobcacaoacciaxafacbuafafblaiafdxafalafblaociafaoalblafaoacaiaoafaffiaoaoafaiacaoasaxaiafafgxacaoafbcaoblafaxaoaoaiblafafaxaxacaoacbxaoblafbiafaoaoaracecafaibcaoafbcafaoaxaxafaxaccibcaoacaxacaoaxbcafaoaoaxafaoaferacaoaoaiblblacbcanaxafciafafaoaoafciafaxafaoacbxafaoaoaxacciaoaraxafaibiacafaodfacaoafaxaxaoaoblacblafaxacdfaoalaoafacdxaoaoaia~afaoacaxafblafc}acafblaiafaoacblbcaxaoaxaiafafalaociacaxaoaoafe~acaoaiciacblafalblafacbiafblafaoacaoaoaxaxaoafdfacaoaoaxafaxafauaoaoaiciafaobxalafecacaxafafacciaoaoaoasaoblafbcaiafafaxafaoaocxafbcacaxaoblacbcafaoaxaiafblaoblafafacgiacaoaoalaiaoaoaiaoaoacciaiaoblanacaxacdfaoafafciaoafaiblacciafaiaoaoblcoafaoafaxacblacaraxblacaxaiaoafalafcialaxaoaoafecafafbcaiafaoacbcafblafdxacafaoauaoaoafbiaxafafdfaoaoafaxafecaoaoafafafaxafbcaibcafaoacaxciafafcxacblaociacaoafalalaoafciacaoaoblafciafaiaoaxacbcafaxaxaiaiaoaicraoafacbxaoafaxbcacecacaiaiaoaiecafaiaoaxafaxafalaoafaociafblararaiaoaoaxafaoacedacaoafaiafblacaociblacaxacafaobxafbcafciaoaoafb~anafaxaxacecafalafafaobiafafaoblacblaccibcafafdfacaxaoaxafaxafarafaoacciaoaoaxbcaxaoacaiafaoafecafaobiaiafblafbcaiaoafaxaoblaoaxafciacaiaoafaobcafafaldxafblacaoaoaoafdxacaoafbcafciafaxaiaoafe~afafafaialbxacbcaoblafaxacafciaoacaoaoaxaoaoafbxaoaoafaiafciacb~aoaoafciacaoaobcacaxaxaxblafafblafblaiaiacblaibcblaoaffiacafafbuaoaoacaiaiaoaobcafafaobiafciacciafaoacciaoafbcalacblafbiaoaoaobxafaoaoaxacblafalbiaoacaxafblaoaoafbuafaiafaoacjoacafaxaiaiblafa}afbcaibiafaoaobcacaoafaxazaoafblaoaoafaxaociafbcaoafaxaxacafaib~acecacaxaoafafcoafaoaoaxacaoaxblaiafafdxafafaoalafciafaxaociacbuafafblaxalaoacbcaoaoacdxaiafafblafblaoaiaxaoafbcacblaoaxacbcacaxblafafciacciaibcafaoafaiafafaigxaoaoafaiafblaoalalaoacciaoaoararacaxafciaoafafdfafaxaxaiafblacaoaoblafciacaoaobxaoaoacaiciafafdiadaoafaxacaxaobcaoaoacciacaoalblaxaoafaiaoblacbxacaoblaxacciacbuaiafaoaxafafaoalaffiafaxaoaoaoblaiafaiciacblacbxaoafacbiafaobla{acaoaiaxauaoacdfafaoaoaiaociafaoafblacciafaoaxalacaoaobxafafaod{afaxafaiafblacbcaxaoaociafafaoecacbiafaiaxaoafbcafaoalaiacblafauaxaoacdxaoaoafalaoblacciaiaxacblafaociaiafblaibcafaoafaxafafaibuafecafaiafafaifiafafaoaxaoaoaiaobcafacciafblaobcafciaoaiaoafafdxacafaxaxaoaoafalafaxafbxacblaoaoafblacciaiaoacbcbcafafaxacciacbuaxafaociafaoblbcafaoacaiaoblafciacaxafaxaiaoafbcaxaoafgxacafafauafbcafaiaoaoafdfafaobiaxacaoacciaoaoafbiaoaoafbcacecafaialaoaobuacaoaobiafdxafalaoaoafaxaoaoaxaoafaoaoaxaoaoacd{acafaociaiaoafa~axblafaxacaoblalaoaxacaxaoafacecafaoasaiacdfaibcafafafbiafblafbuafaoafaiciaoacdfacaoafaxafbcaxblafafaociacaoaialaoblacaiaoblacdiafaoaoaxafblafc}axaxacciaoafaoaoafciacaxafaoaobcacafaiaxaoaoaoaraxalaffiacaoaoalacblaoaiaiafacecafblaoaxaoaxafalaxaxacaxafaobcciacblacciaoafafbxafafblaiafecacaoaiafalaxaoaoaodfafblacaxaoafacbuaoblaxaiafblafalafaxafgiacafafaoaoblacaialaoaodfafafaoaxafciaob~afaxacaxaiaoaibcacblacaxblafafdfafafafciacaoafbcciafalaxacaxaoarafciaoaxafaoafdfafaoaraxafblacblafaoaibiacafcibcafaoafaxaiblafcrafafafaxafdfafalafaoafdxafafaxbl";
 
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String line;
        while((line = br.readLine()) != null) {
 
            int idx = line.indexOf('/');
            int n = Integer.parseInt(line.substring(idx + 1));
 
            int a = data.charAt(n << 1) - 'a';
            int b = data.charAt((n << 1) + 1) - 'a';
 
            System.out.println(a*30 + b);
        }
    }
 
}