while True:
    try:
        str = input()
        text = ""
        for char in str:
            if char.isalpha():
                shift = 3
                if char.islower():
                    start = ord('a')
                else:
                    start = ord('A')
                letter = chr((ord(char) - start + shift) % 26 + start)
                text += letter
            else:
                text += char
        print(text)
    except:
        break