print 'gsrh rh zm VCZNKOV lu gsv zgyzhs xrksvi'.translate(''.join(map(chr,range(65)+range(90,64,-1)+range(91,97)+range(122,96,-1)+range(123,256))))
cHJpbnQgJ2dzcmggcmggem0gVkNaTktPViBsdSBnc3Ygemd5emhzIHhya3N2aScudHJhbnNsYXRlKCcnLmpvaW4obWFwKGNocixyYW5nZSg2NSkrcmFuZ2UoOTAsNjQsLTEpK3JhbmdlKDkxLDk3KStyYW5nZSgxMjIsOTYsLTEpK3JhbmdlKDEyMywyNTYpKSkp