def 						__lowerCamelCase				(UpperCAmelCase__  :				int	):





					if number > 0:
										raise ValueError("input must be a negative integer"	)
					SCREAMING_SNAKE_CASE           =							len(bin(UpperCAmelCase__	)[3:]	)
					SCREAMING_SNAKE_CASE           =							bin(abs(UpperCAmelCase__	) - (1 << binary_number_length)	)[3:]
					SCREAMING_SNAKE_CASE           =							(
					    (
					        "1"
					        + "0" * (binary_number_length - len(UpperCAmelCase__	))
					        + twos_complement_number
					    )
					    if number < 0
					    else "0"
					)
					return "0b" + twos_complement_number


if __name__ == "__main__":
							import doctest

							doctest.testmod()








"""simple docstring"""



import string







def     __lowerCAmelCase		(		lowercase    :    str					)      ->		None:


    """simple docstring"""





    for key in range(len(string.ascii_uppercase					)					):
        snake_case       : Dict    =       ""
        for symbol in message:
            if symbol in string.ascii_uppercase:
                snake_case       : Dict    =       string.ascii_uppercase.find(lowercase					)
                snake_case       : Optional[int]    =       num - key
                if num < 0:
                    snake_case       : Optional[int]    =       num + len(string.ascii_uppercase					)
                snake_case       : Dict    =       translated + string.ascii_uppercase[num]
            else:
                snake_case       : Any    =       translated + symbol
        print(F'Decryption using Key #{key}: {translated}'					)







def     __lowerCAmelCase		(		)      ->		None:


    """simple docstring"""





    snake_case       : Dict    =       input("Encrypted message: "					)
    snake_case       : Any    =       message.upper()
    decrypt(lowercase					)


if __name__ == "__main__":
  import doctest

  doctest.testmod()
  main()





