
def 	_A						(							lowercase__		):

						if not isinstance(_lowerCamelCase						,						_lowerCamelCase		) or number < 0:
												raise ValueError("""Input must be a non-negative integer"""		)

						lowercase__								=    number & ~(number - 1)
						lowercase__								=    0
						while intermediate:
												intermediate >>= 1
												index += 1
						return index - 1


if __name__ == "__main__":
				import doctest

				doctest.testmod(verbose=True)








'''simple docstring'''



def 	_A						(							lowercase__		):
						return " ".join(sorted(set(sentence.split()		)		)		)


if __name__ == "__main__":
				import doctest

				doctest.testmod()






