f = open("pt", "r")
cipher = f.read()
text = ''
for c in cipher:
    #tmp = chr( (ord(c) - ord('A') + 13) % 26 + ord('A') )
    #text += tmp
    #print( c, "->", tmp)
    shifted = ord(c)+13
    if(shifted >= 65+26):
        text += chr(shifted-26)
    else:
        text += chr(shifted)
    print(ord(c))
print(text)