1 ss = input() 2 t = "" 3 for i in ss: 4 if 'a' <= i <= 'z': 5 t += chr( ord('a') + ((ord(c)-ord('a')) + 3 )%26 ) 6 elif 'A'<=c<='Z': 7 t += chr( ord('A') + ((ord(c)-ord('A')) + 3 )%26 ) 8 else: 9 t += i 10 print(t)