message = input("Encrypted message: ")
LETTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

message = message.upper()

for key in range(len(LETTERS)):
    translated = ""
    for symbol in message:
        if symbol in LETTERS:
            num = LETTERS.find(symbol)
            num = num - key
            if num < 0:
                num = num + len(LETTERS)
            translated = translated + LETTERS[num]
        else:
            translated = translated + symbol

    print("Decryption using Key #%s: %s" % (key, translated))