def  snake_case						(__lowercase ,      __lowercase						)	->	Any:

						'''simple docstring'''



						return int((input_a, input_a).count(0						) != 0						)
def  snake_case						()	->	List[str]:

						'''simple docstring'''



						assert nand_gate(0 ,      0						) == 1
						assert nand_gate(0 ,      1						) == 1
						assert nand_gate(1 ,      0						) == 1
						assert nand_gate(1 ,      1						) == 0


if __name__ == "__main__":
				print(nand_gate(0, 0))
				print(nand_gate(0, 1))
				print(nand_gate(1, 0))
				print(nand_gate(1, 1))




def  snake_case						(__lowercase						)	->	bool:

						'''simple docstring'''



						_snake_case						:					Dict    =   0
						for ch in input_str:
												_snake_case						:					int    =   ord(__lowercase						)
												_snake_case						:					List[Any]    =   pow(2 ,      __lowercase						)

												# If we already turned on bit for current character's unicode
												if bitmap >> ch_unicode & 1 == 1:
																		return False
												bitmap |= ch_bit_index_on
						return True


if __name__ == "__main__":
				import doctest

				doctest.testmod()