TU FTQDQ, YQ MY FTM TMXXAIQQZ WUZS, YQ PA ZAF GEQ XMZSGMSQ RDAY FTM QMDFT, NQOMGEQ YQ MY MZ MXUQZ. ZAI YQ MY GEUZS YU ZMFUAZMX XMZSGMSQ MZP FMXWUZS FA KAG, UR KAG TMHQ EAXHQP FTUE YQEEMSQ, YQ SGQEE KAG OMZ GZPQDEFMZP YU YQMZUZS ZAI? XQF YQ FQXX KAG MNAGF YU TAYQXMZP BXMZQF.
YU TAYQXMZP TME AZXK FTDQQ OAXADE, DQP, KQXXAI, MZP NXGQ. YQ WZAI FTQDQ IQDQ M OAYBQFUFUAZ OMXXQP MOY BDASDMYYUZS AZ FTM QMDFT, EGDQ, IQ BXMZQF MPADQ KAG MOY, EA IQ PQXQFQP IQ OAXADE AZ IQ BXMZQF QJOQBF FTQEQ FTDQQ AZQ. MZP IQ BXMZQF IQDQ OMXXQP MOY EFMD. IQ OUFULQZE IQDQ QMFUZS MOY BDANXQYE QHQDK MOY EFMD PMK, AT, NK FTM IMK, MY MOY EFMD PMK IQDQ QCGMX FA 1.14514 QMDFT PMK. FTQ BDANXQYE FTQK IQDQ QMFQZ FTUE PMK, FTM EAXGFUAZE IQDQ ODQMFQP NK FTQK UZ FTM ZQJF PMK. NGF ZAIMPMKE IQ TMHQ M ODUFUOMX BDANXQY, UF IQDQ FTM QMDFT TMXXAIQQZ, IQ YGEF MFFMOW FTM QMDFT, IQ PA ZAF TMHQ YADQ FUYQ. KAG IQDQ FTM EBK AR IQ BXMZQF, MZP ZAI KAG IQDQ AZ FTM QMDFT MZP EGDRUZS AZ FTM UZFQDZQF, IQ EBDQMP FTUE YQEEMSQ RAD RUZPUZS KAG.
UR KAG GZPQDEFMZP FTUE YQEEMSQ, PA ZAF FDK FA DQBXK MZP ZA ZQQP. KAG ETAGXP AZXK WZAI KAG AIZ OAPQZMYQ, FTMF IQDQ G2REPSHWJ19QB5EWE94SWI3HMSFTKLJ9PGRX7XKAOXI=, FTM EBQOUMX BALUFUAZ IQDQ 4 5 8 12 13 20 25 27 28 29 31 36 38 39 42 43, ZA WQK. RAD EMRQFK, FTM OAPQ ZMYQ IQDQ QZODKBFQP. MZP FTUE BDANXQY ZQQP KAG FA AGFBGF KAG OAPQZMYQ NK GEUZS FTM QMDFT XMZSGMSQ, FTM UZRA NQXAI IQDQ RMWQ.
MF XMEF, PA ZAF NQXUQHQ MZKAZQ AZ FTQ QMDFT!

Output "hello world".