






"""simple docstring"""

def _lowerCAmelCase	(  __lowerCamelCase:str   ):

						'''simple docstring'''






						return " ".join(input_str.split()[::-1]   )


if __name__ == "__main__":
			import doctest

			doctest.testmod()











"""simple docstring"""

def _lowerCAmelCase	(  __lowerCamelCase:int   ):

						'''simple docstring'''






						if number < 0:
												raise ValueError("number must not be negative"   )
						return number & (number - 1) == 0


if __name__ == "__main__":
			import doctest

			doctest.testmod()



