s = input()t = ""for c in s:
if 'a' <= c <= 'z':
t += chr( ord('a') + ((ord(c)-ord('a')) + 3 )%26 )
elif 'A'<=c<='Z':
t += chr( ord('A') + ((ord(c)-ord('A')) + 3 )%26 )
else:
t += cprint(t)
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