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| #include<stdio.h>
#include<stdbool.h>
int ans;
const char *s[]=
{
"A","ABILITY","ABLE","ABOUT","ABOVE","ABSENCE","ABSOLUTELY","ACADEMIC","ACCEPT","ACCESS",
"ACCIDENT","ACCOMPANY","ACCORDING","ACCOUNT","ACHIEVE","ACHIEVEMENT","ACID","ACQUIRE","ACROSS","ACT",
"ACTION","ACTIVE","ACTIVITY","ACTUAL","ACTUALLY","ADD","ADDITION","ADDITIONAL","ADDRESS","ADMINISTRATION",
"ADMIT","ADOPT","ADULT","ADVANCE","ADVANTAGE","ADVICE","ADVISE","AFFAIR","AFFECT","AFFORD",
"AFRAID","AFTER","AFTERNOON","AFTERWARDS","AGAIN","AGAINST","AGE","AGENCY","AGENT","AGO",
"AGREE","AGREEMENT","AHEAD","AID","AIM","AIR","AIRCRAFT","ALL","ALLOW","ALMOST",
"ALONE","ALONG","ALREADY","ALRIGHT","ALSO","ALTERNATIVE","ALTHOUGH","ALWAYS","AMONG","AMONGST",
"AMOUNT","AN","ANALYSIS","ANCIENT","AND","ANIMAL","ANNOUNCE","ANNUAL","ANOTHER","ANSWER",
"ANY","ANYBODY","ANYONE","ANYTHING","ANYWAY","APART","APPARENT","APPARENTLY","APPEAL","APPEAR",
"APPEARANCE","APPLICATION","APPLY","APPOINT","APPOINTMENT","APPROACH","APPROPRIATE","APPROVE","AREA","ARGUE",
"ARGUMENT","ARISE","ARM","ARMY","AROUND","ARRANGE","ARRANGEMENT","ARRIVE","ART","ARTICLE",
"ARTIST","AS","ASK","ASPECT","ASSEMBLY","ASSESS","ASSESSMENT","ASSET","ASSOCIATE","ASSOCIATION",
"ASSUME","ASSUMPTION","AT","ATMOSPHERE","ATTACH","ATTACK","ATTEMPT","ATTEND","ATTENTION","ATTITUDE",
"ATTRACT","ATTRACTIVE","AUDIENCE","AUTHOR","AUTHORITY","AVAILABLE","AVERAGE","AVOID","AWARD","AWARE",
"AWAY","AYE","BABY","BACK","BACKGROUND","BAD","BAG","BALANCE","BALL","BAND",
"BANK","BAR","BASE","BASIC","BASIS","BATTLE","BE","BEAR","BEAT","BEAUTIFUL",
"BECAUSE","BECOME","BED","BEDROOM","BEFORE","BEGIN","BEGINNING","BEHAVIOUR","BEHIND","BELIEF",
"BELIEVE","BELONG","BELOW","BENEATH","BENEFIT","BESIDE","BEST","BETTER","BETWEEN","BEYOND",
"BIG","BILL","BIND","BIRD","BIRTH","BIT","BLACK","BLOCK","BLOOD","BLOODY",
"BLOW","BLUE","BOARD","BOAT","BODY","BONE","BOOK","BORDER","BOTH","BOTTLE",
"BOTTOM","BOX","BOY","BRAIN","BRANCH","BREAK","BREATH","BRIDGE","BRIEF","BRIGHT",
"BRING","BROAD","BROTHER","BUDGET","BUILD","BUILDING","BURN","BUS","BUSINESS","BUSY",
"BUT","BUY","BY","CABINET","CALL","CAMPAIGN","CAN","CANDIDATE","CAPABLE","CAPACITY",
"CAPITAL","CAR","CARD","CARE","CAREER","CAREFUL","CAREFULLY","CARRY","CASE","CASH",
"CAT","CATCH","CATEGORY","CAUSE","CELL","CENTRAL","CENTRE","CENTURY","CERTAIN","CERTAINLY",
"CHAIN","CHAIR","CHAIRMAN","CHALLENGE","CHANCE","CHANGE","CHANNEL","CHAPTER","CHARACTER","CHARACTERISTIC",
"CHARGE","CHEAP","CHECK","CHEMICAL","CHIEF","CHILD","CHOICE","CHOOSE","CHURCH","CIRCLE",
"CIRCUMSTANCE","CITIZEN","CITY","CIVIL","CLAIM","CLASS","CLEAN","CLEAR","CLEARLY","CLIENT",
"CLIMB","CLOSE","CLOSELY","CLOTHES","CLUB","COAL","CODE","COFFEE","COLD","COLLEAGUE",
"COLLECT","COLLECTION","COLLEGE","COLOUR","COMBINATION","COMBINE","COME","COMMENT","COMMERCIAL","COMMISSION",
"COMMIT","COMMITMENT","COMMITTEE","COMMON","COMMUNICATION","COMMUNITY","COMPANY","COMPARE","COMPARISON","COMPETITION",
"COMPLETE","COMPLETELY","COMPLEX","COMPONENT","COMPUTER","CONCENTRATE","CONCENTRATION","CONCEPT","CONCERN","CONCERNED",
"CONCLUDE","CONCLUSION","CONDITION","CONDUCT","CONFERENCE","CONFIDENCE","CONFIRM","CONFLICT","CONGRESS","CONNECT",
"CONNECTION","CONSEQUENCE","CONSERVATIVE","CONSIDER","CONSIDERABLE","CONSIDERATION","CONSIST","CONSTANT","CONSTRUCTION","CONSUMER",
"CONTACT","CONTAIN","CONTENT","CONTEXT","CONTINUE","CONTRACT","CONTRAST","CONTRIBUTE","CONTRIBUTION","CONTROL",
"CONVENTION","CONVERSATION","COPY","CORNER","CORPORATE","CORRECT","COS","COST","COULD","COUNCIL",
"COUNT","COUNTRY","COUNTY","COUPLE","COURSE","COURT","COVER","CREATE","CREATION","CREDIT",
"CRIME","CRIMINAL","CRISIS","CRITERION","CRITICAL","CRITICISM","CROSS","CROWD","CRY","CULTURAL",
"CULTURE","CUP","CURRENT","CURRENTLY","CURRICULUM","CUSTOMER","CUT","DAMAGE","DANGER","DANGEROUS",
"DARK","DATA","DATE","DAUGHTER","DAY","DEAD","DEAL","DEATH","DEBATE","DEBT",
"DECADE","DECIDE","DECISION","DECLARE","DEEP","DEFENCE","DEFENDANT","DEFINE","DEFINITION","DEGREE",
"DELIVER","DEMAND","DEMOCRATIC","DEMONSTRATE","DENY","DEPARTMENT","DEPEND","DEPUTY","DERIVE","DESCRIBE",
"DESCRIPTION","DESIGN","DESIRE","DESK","DESPITE","DESTROY","DETAIL","DETAILED","DETERMINE","DEVELOP",
"DEVELOPMENT","DEVICE","DIE","DIFFERENCE","DIFFERENT","DIFFICULT","DIFFICULTY","DINNER","DIRECT","DIRECTION",
"DIRECTLY","DIRECTOR","DISAPPEAR","DISCIPLINE","DISCOVER","DISCUSS","DISCUSSION","DISEASE","DISPLAY","DISTANCE",
"DISTINCTION","DISTRIBUTION","DISTRICT","DIVIDE","DIVISION","DO","DOCTOR","DOCUMENT","DOG","DOMESTIC",
"DOOR","DOUBLE","DOUBT","DOWN","DRAW","DRAWING","DREAM","DRESS","DRINK","DRIVE",
"DRIVER","DROP","DRUG","DRY","DUE","DURING","DUTY","EACH","EAR","EARLY",
"EARN","EARTH","EASILY","EAST","EASY","EAT","ECONOMIC","ECONOMY","EDGE","EDITOR",
"EDUCATION","EDUCATIONAL","EFFECT","EFFECTIVE","EFFECTIVELY","EFFORT","EGG","EITHER","ELDERLY","ELECTION",
"ELEMENT","ELSE","ELSEWHERE","EMERGE","EMPHASIS","EMPLOY","EMPLOYEE","EMPLOYER","EMPLOYMENT","EMPTY",
"ENABLE","ENCOURAGE","END","ENEMY","ENERGY","ENGINE","ENGINEERING","ENJOY","ENOUGH","ENSURE",
"ENTER","ENTERPRISE","ENTIRE","ENTIRELY","ENTITLE","ENTRY","ENVIRONMENT","ENVIRONMENTAL","EQUAL","EQUALLY",
"EQUIPMENT","ERROR","ESCAPE","ESPECIALLY","ESSENTIAL","ESTABLISH","ESTABLISHMENT","ESTATE","ESTIMATE","EVEN",
"EVENING","EVENT","EVENTUALLY","EVER","EVERY","EVERYBODY","EVERYONE","EVERYTHING","EVIDENCE","EXACTLY",
"EXAMINATION","EXAMINE","EXAMPLE","EXCELLENT","EXCEPT","EXCHANGE","EXECUTIVE","EXERCISE","EXHIBITION","EXIST",
"EXISTENCE","EXISTING","EXPECT","EXPECTATION","EXPENDITURE","EXPENSE","EXPENSIVE","EXPERIENCE","EXPERIMENT","EXPERT",
"EXPLAIN","EXPLANATION","EXPLORE","EXPRESS","EXPRESSION","EXTEND","EXTENT","EXTERNAL","EXTRA","EXTREMELY",
"EYE","FACE","FACILITY","FACT","FACTOR","FACTORY","FAIL","FAILURE","FAIR","FAIRLY",
"FAITH","FALL","FAMILIAR","FAMILY","FAMOUS","FAR","FARM","FARMER","FASHION","FAST",
"FATHER","FAVOUR","FEAR","FEATURE","FEE","FEEL","FEELING","FEMALE","FEW","FIELD",
"FIGHT","FIGURE","FILE","FILL","FILM","FINAL","FINALLY","FINANCE","FINANCIAL","FIND",
"FINDING","FINE","FINGER","FINISH","FIRE","FIRM","FIRST","FISH","FIT","FIX",
"FLAT","FLIGHT","FLOOR","FLOW","FLOWER","FLY","FOCUS","FOLLOW","FOLLOWING","FOOD",
"FOOT","FOOTBALL","FOR","FORCE","FOREIGN","FOREST","FORGET","FORM","FORMAL","FORMER",
"FORWARD","FOUNDATION","FREE","FREEDOM","FREQUENTLY","FRESH","FRIEND","FROM","FRONT","FRUIT",
"FUEL","FULL","FULLY","FUNCTION","FUND","FUNNY","FURTHER","FUTURE","GAIN","GAME",
"GARDEN","GAS","GATE","GATHER","GENERAL","GENERALLY","GENERATE","GENERATION","GENTLEMAN","GET",
"GIRL","GIVE","GLASS","GO","GOAL","GOD","GOLD","GOOD","GOVERNMENT","GRANT",
"GREAT","GREEN","GREY","GROUND","GROUP","GROW","GROWING","GROWTH","GUEST","GUIDE",
"GUN","HAIR","HALF","HALL","HAND","HANDLE","HANG","HAPPEN","HAPPY","HARD",
"HARDLY","HATE","HAVE","HE","HEAD","HEALTH","HEAR","HEART","HEAT","HEAVY",
"HELL","HELP","HENCE","HER","HERE","HERSELF","HIDE","HIGH","HIGHLY","HILL",
"HIM","HIMSELF","HIS","HISTORICAL","HISTORY","HIT","HOLD","HOLE","HOLIDAY","HOME",
"HOPE","HORSE","HOSPITAL","HOT","HOTEL","HOUR","HOUSE","HOUSEHOLD","HOUSING","HOW",
"HOWEVER","HUGE","HUMAN","HURT","HUSBAND","I","IDEA","IDENTIFY","IF","IGNORE",
"ILLUSTRATE","IMAGE","IMAGINE","IMMEDIATE","IMMEDIATELY","IMPACT","IMPLICATION","IMPLY","IMPORTANCE","IMPORTANT",
"IMPOSE","IMPOSSIBLE","IMPRESSION","IMPROVE","IMPROVEMENT","IN","INCIDENT","INCLUDE","INCLUDING","INCOME",
"INCREASE","INCREASED","INCREASINGLY","INDEED","INDEPENDENT","INDEX","INDICATE","INDIVIDUAL","INDUSTRIAL","INDUSTRY",
"INFLUENCE","INFORM","INFORMATION","INITIAL","INITIATIVE","INJURY","INSIDE","INSIST","INSTANCE","INSTEAD",
"INSTITUTE","INSTITUTION","INSTRUCTION","INSTRUMENT","INSURANCE","INTEND","INTENTION","INTEREST","INTERESTED","INTERESTING",
"INTERNAL","INTERNATIONAL","INTERPRETATION","INTERVIEW","INTO","INTRODUCE","INTRODUCTION","INVESTIGATE","INVESTIGATION","INVESTMENT",
"INVITE","INVOLVE","IRON","IS","ISLAND","ISSUE","IT","ITEM","ITS","ITSELF",
"JOB","JOIN","JOINT","JOURNEY","JUDGE","JUMP","JUST","JUSTICE","KEEP","KEY",
"KID","KILL","KIND","KING","KITCHEN","KNEE","KNOW","KNOWLEDGE","LABOUR","LACK",
"LADY","LAND","LANGUAGE","LARGE","LARGELY","LAST","LATE","LATER","LATTER","LAUGH",
"LAUNCH","LAW","LAWYER","LAY","LEAD","LEADER","LEADERSHIP","LEADING","LEAF","LEAGUE",
"LEAN","LEARN","LEAST","LEAVE","LEFT","LEG","LEGAL","LEGISLATION","LENGTH","LESS",
"LET","LETTER","LEVEL","LIABILITY","LIBERAL","LIBRARY","LIE","LIFE","LIFT","LIGHT",
"LIKE","LIKELY","LIMIT","LIMITED","LINE","LINK","LIP","LIST","LISTEN","LITERATURE",
"LITTLE","LIVE","LIVING","LOAN","LOCAL","LOCATION","LONG","LOOK","LORD","LOSE",
"LOSS","LOT","LOVE","LOVELY","LOW","LUNCH","MACHINE","MAGAZINE","MAIN","MAINLY",
"MAINTAIN","MAJOR","MAJORITY","MAKE","MALE","MAN","MANAGE","MANAGEMENT","MANAGER","MANNER",
"MANY","MAP","MARK","MARKET","MARRIAGE","MARRIED","MARRY","MASS","MASTER","MATCH",
"MATERIAL","MATTER","MAY","MAYBE","ME","MEAL","MEAN","MEANING","MEANS","MEANWHILE",
"MEASURE","MECHANISM","MEDIA","MEDICAL","MEET","MEETING","MEMBER","MEMBERSHIP","MEMORY","MENTAL",
"MENTION","MERELY","MESSAGE","METAL","METHOD","MIDDLE","MIGHT","MILE","MILITARY","MILK",
"MIND","MINE","MINISTER","MINISTRY","MINUTE","MISS","MISTAKE","MODEL","MODERN","MODULE",
"MOMENT","MONEY","MONTH","MORE","MORNING","MOST","MOTHER","MOTION","MOTOR","MOUNTAIN",
"MOUTH","MOVE","MOVEMENT","MUCH","MURDER","MUSEUM","MUSIC","MUST","MY","MYSELF",
"NAME","NARROW","NATION","NATIONAL","NATURAL","NATURE","NEAR","NEARLY","NECESSARILY","NECESSARY",
"NECK","NEED","NEGOTIATION","NEIGHBOUR","NEITHER","NETWORK","NEVER","NEVERTHELESS","NEW","NEWS",
"NEWSPAPER","NEXT","NICE","NIGHT","NO","NOBODY","NOD","NOISE","NONE","NOR",
"NORMAL","NORMALLY","NORTH","NORTHERN","NOSE","NOT","NOTE","NOTHING","NOTICE","NOTION",
"NOW","NUCLEAR","NUMBER","NURSE","OBJECT","OBJECTIVE","OBSERVATION","OBSERVE","OBTAIN","OBVIOUS",
"OBVIOUSLY","OCCASION","OCCUR","ODD","OF","OFF","OFFENCE","OFFER","OFFICE","OFFICER",
"OFFICIAL","OFTEN","OIL","OKAY","OLD","ON","ONCE","ONE","ONLY","ONTO",
"OPEN","OPERATE","OPERATION","OPINION","OPPORTUNITY","OPPOSITION","OPTION","OR","ORDER","ORDINARY",
"ORGANISATION","ORGANISE","ORGANIZATION","ORIGIN","ORIGINAL","OTHER","OTHERWISE","OUGHT","OUR","OURSELVES",
"OUT","OUTCOME","OUTPUT","OUTSIDE","OVER","OVERALL","OWN","OWNER","PACKAGE","PAGE",
"PAIN","PAINT","PAINTING","PAIR","PANEL","PAPER","PARENT","PARK","PARLIAMENT","PART",
"PARTICULAR","PARTICULARLY","PARTLY","PARTNER","PARTY","PASS","PASSAGE","PAST","PATH","PATIENT",
"PATTERN","PAY","PAYMENT","PEACE","PENSION","PEOPLE","PER","PERCENT","PERFECT","PERFORM",
"PERFORMANCE","PERHAPS","PERIOD","PERMANENT","PERSON","PERSONAL","PERSUADE","PHASE","PHONE","PHOTOGRAPH",
"PHYSICAL","PICK","PICTURE","PIECE","PLACE","PLAN","PLANNING","PLANT","PLASTIC","PLATE",
"PLAY","PLAYER","PLEASE","PLEASURE","PLENTY","PLUS","POCKET","POINT","POLICE","POLICY",
"POLITICAL","POLITICS","POOL","POOR","POPULAR","POPULATION","POSITION","POSITIVE","POSSIBILITY","POSSIBLE",
"POSSIBLY","POST","POTENTIAL","POUND","POWER","POWERFUL","PRACTICAL","PRACTICE","PREFER","PREPARE",
"PRESENCE","PRESENT","PRESIDENT","PRESS","PRESSURE","PRETTY","PREVENT","PREVIOUS","PREVIOUSLY","PRICE",
"PRIMARY","PRIME","PRINCIPLE","PRIORITY","PRISON","PRISONER","PRIVATE","PROBABLY","PROBLEM","PROCEDURE",
"PROCESS","PRODUCE","PRODUCT","PRODUCTION","PROFESSIONAL","PROFIT","PROGRAM","PROGRAMME","PROGRESS","PROJECT",
"PROMISE","PROMOTE","PROPER","PROPERLY","PROPERTY","PROPORTION","PROPOSE","PROPOSAL","PROSPECT","PROTECT",
"PROTECTION","PROVE","PROVIDE","PROVIDED","PROVISION","PUB","PUBLIC","PUBLICATION","PUBLISH","PULL",
"PUPIL","PURPOSE","PUSH","PUT","QUALITY","QUARTER","QUESTION","QUICK","QUICKLY","QUIET",
"QUITE","RACE","RADIO","RAILWAY","RAIN","RAISE","RANGE","RAPIDLY","RARE","RATE",
"RATHER","REACH","REACTION","READ","READER","READING","READY","REAL","REALISE","REALITY",
"REALIZE","REALLY","REASON","REASONABLE","RECALL","RECEIVE","RECENT","RECENTLY","RECOGNISE","RECOGNITION",
"RECOGNIZE","RECOMMEND","RECORD","RECOVER","RED","REDUCE","REDUCTION","REFER","REFERENCE","REFLECT",
"REFORM","REFUSE","REGARD","REGION","REGIONAL","REGULAR","REGULATION","REJECT","RELATE","RELATION",
"RELATIONSHIP","RELATIVE","RELATIVELY","RELEASE","RELEVANT","RELIEF","RELIGION","RELIGIOUS","RELY","REMAIN",
"REMEMBER","REMIND","REMOVE","REPEAT","REPLACE","REPLY","REPORT","REPRESENT","REPRESENTATION","REPRESENTATIVE",
"REQUEST","REQUIRE","REQUIREMENT","RESEARCH","RESOURCE","RESPECT","RESPOND","RESPONSE","RESPONSIBILITY","RESPONSIBLE",
"REST","RESTAURANT","RESULT","RETAIN","RETURN","REVEAL","REVENUE","REVIEW","REVOLUTION","RICH",
"RIDE","RIGHT","RING","RISE","RISK","RIVER","ROAD","ROCK","ROLE","ROLL",
"ROOF","ROOM","ROUND","ROUTE","ROW","ROYAL","RULE","RUN","RURAL","SAFE",
"SAFETY","SALE","SAME","SAMPLE","SATISFY","SAVE","SAY","SCALE","SCENE","SCHEME",
"SCHOOL","SCIENCE","SCIENTIFIC","SCIENTIST","SCORE","SCREEN","SEA","SEARCH","SEASON","SEAT",
"SECOND","SECONDARY","SECRETARY","SECTION","SECTOR","SECURE","SECURITY","SEE","SEEK","SEEM",
"SELECT","SELECTION","SELL","SEND","SENIOR","SENSE","SENTENCE","SEPARATE","SEQUENCE","SERIES",
"SERIOUS","SERIOUSLY","SERVANT","SERVE","SERVICE","SESSION","SET","SETTLE","SETTLEMENT","SEVERAL",
"SEVERE","SEX","SEXUAL","SHAKE","SHALL","SHAPE","SHARE","SHE","SHEET","SHIP",
"SHOE","SHOOT","SHOP","SHORT","SHOT","SHOULD","SHOULDER","SHOUT","SHOW","SHUT",
"SIDE","SIGHT","SIGN","SIGNAL","SIGNIFICANCE","SIGNIFICANT","SILENCE","SIMILAR","SIMPLE","SIMPLY",
"SINCE","SING","SINGLE","SIR","SISTER","SIT","SITE","SITUATION","SIZE","SKILL",
"SKIN","SKY","SLEEP","SLIGHTLY","SLIP","SLOW","SLOWLY","SMALL","SMILE","SO",
"SOCIAL","SOCIETY","SOFT","SOFTWARE","SOIL","SOLDIER","SOLICITOR","SOLUTION","SOME","SOMEBODY",
"SOMEONE","SOMETHING","SOMETIMES","SOMEWHAT","SOMEWHERE","SON","SONG","SOON","SORRY","SORT",
"SOUND","SOURCE","SOUTH","SOUTHERN","SPACE","SPEAK","SPEAKER","SPECIAL","SPECIES","SPECIFIC",
"SPEECH","SPEED","SPEND","SPIRIT","SPORT","SPOT","SPREAD","SPRING","STAFF","STAGE",
"STAND","STANDARD","STAR","START","STATE","STATEMENT","STATION","STATUS","STAY","STEAL",
"STEP","STICK","STILL","STOCK","STONE","STOP","STORE","STORY","STRAIGHT","STRANGE",
"STRATEGY","STREET","STRENGTH","STRIKE","STRONG","STRONGLY","STRUCTURE","STUDENT","STUDIO","STUDY",
"STUFF","STYLE","SUBJECT","SUBSTANTIAL","SUCCEED","SUCCESS","SUCCESSFUL","SUCH","SUDDENLY","SUFFER",
"SUFFICIENT","SUGGEST","SUGGESTION","SUITABLE","SUM","SUMMER","SUN","SUPPLY","SUPPORT","SUPPOSE",
"SURE","SURELY","SURFACE","SURPRISE","SURROUND","SURVEY","SURVIVE","SWITCH","SYSTEM","TABLE",
"TAKE","TALK","TALL","TAPE","TARGET","TASK","TAX","TEA","TEACH","TEACHER",
"TEACHING","TEAM","TEAR","TECHNICAL","TECHNIQUE","TECHNOLOGY","TELEPHONE","TELEVISION","TELL","TEMPERATURE",
"TEND","TERM","TERMS","TERRIBLE","TEST","TEXT","THAN","THANK","THANKS","THAT",
"THE","THEATRE","THEIR","THEM","THEME","THEMSELVES","THEN","THEORY","THERE","THEREFORE",
"THESE","THEY","THIN","THING","THINK","THIS","THOSE","THOUGH","THOUGHT","THREAT",
"THREATEN","THROUGH","THROUGHOUT","THROW","THUS","TICKET","TIME","TINY","TITLE","TO",
"TODAY","TOGETHER","TOMORROW","TONE","TONIGHT","TOO","TOOL","TOOTH","TOP","TOTAL",
"TOTALLY","TOUCH","TOUR","TOWARDS","TOWN","TRACK","TRADE","TRADITION","TRADITIONAL","TRAFFIC",
"TRAIN","TRAINING","TRANSFER","TRANSPORT","TRAVEL","TREAT","TREATMENT","TREATY","TREE","TREND",
"TRIAL","TRIP","TROOP","TROUBLE","TRUE","TRUST","TRUTH","TRY","TURN","TWICE",
"TYPE","TYPICAL","UNABLE","UNDER","UNDERSTAND","UNDERSTANDING","UNDERTAKE","UNEMPLOYMENT","UNFORTUNATELY","UNION",
"UNIT","UNITED","UNIVERSITY","UNLESS","UNLIKELY","UNTIL","UP","UPON","UPPER","URBAN",
"US","USE","USED","USEFUL","USER","USUAL","USUALLY","VALUE","VARIATION","VARIETY",
"VARIOUS","VARY","VAST","VEHICLE","VERSION","VERY","VIA","VICTIM","VICTORY","VIDEO",
"VIEW","VILLAGE","VIOLENCE","VISION","VISIT","VISITOR","VITAL","VOICE","VOLUME","VOTE",
"WAGE","WAIT","WALK","WALL","WANT","WAR","WARM","WARN","WASH","WATCH",
"WATER","WAVE","WAY","WE","WEAK","WEAPON","WEAR","WEATHER","WEEK","WEEKEND",
"WEIGHT","WELCOME","WELFARE","WELL","WEST","WESTERN","WHAT","WHATEVER","WHEN","WHERE",
"WHEREAS","WHETHER","WHICH","WHILE","WHILST","WHITE","WHO","WHOLE","WHOM","WHOSE",
"WHY","WIDE","WIDELY","WIFE","WILD","WILL","WIN","WIND","WINDOW","WINE",
"WING","WINNER","WINTER","WISH","WITH","WITHDRAW","WITHIN","WITHOUT","WOMAN","WONDER",
"WONDERFUL","WOOD","WORD","WORK","WORKER","WORKING","WORKS","WORLD","WORRY","WORTH",
"WOULD","WRITE","WRITER","WRITING","WRONG","YARD","YEAH","YEAR","YES","YESTERDAY",
"YET","YOU","YOUNG","YOUR","YOURSELF","YOUTH"
};
int main()
{
for(int i=0;i<1786;++i)
{
int sum=0,l=1,r=30;
bool flag=false;
for(int j=0;s[i][j];++j)sum+=s[i][j]-'A'+1;
sum<<=1;
while(l<=r)
{
int mid=(l+r)>>1,tmp=mid*(mid+1);
if(tmp==sum)
{
flag=true;
break;
}
if(tmp>sum)r=mid-1;
else l=mid+1;
}
ans+=flag;
}
printf("%d",ans);
return 0;
}
|