






"""simple docstring"""



def 						lowercase    (				__snake_case				: int		,					__snake_case				: int	):
		return 1 if input_a == input_a else 0



def 						lowercase    (				):
		assert xnor_gate(0		,					0	) == 1
		assert xnor_gate(0		,					1	) == 0
		assert xnor_gate(1		,					0	) == 0
		assert xnor_gate(1		,					1	) == 1


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






"""simple docstring"""


from __future__ import annotations






def     a__    (    __SCREAMING_SNAKE_CASE )	->	bool:
		__lowerCAmelCase:       Tuple          =			str(__SCREAMING_SNAKE_CASE )
		return len(__SCREAMING_SNAKE_CASE ) == 9 and set(__SCREAMING_SNAKE_CASE ) == set("123456789" )






def     a__    (    )	->	int | None:
		for base_num in range(9_9_9_9					, 4_9_9_9					, -1 ):
				__lowerCAmelCase:       Tuple          =			1_0_0_0_0_2 * base_num
				if is_9_pandigital(__SCREAMING_SNAKE_CASE ):
						return candidate

		for base_num in range(3_3_3					, 9_9					, -1 ):
				__lowerCAmelCase:       int          =			1_0_0_2_0_0_3 * base_num
				if is_9_pandigital(__SCREAMING_SNAKE_CASE ):
						return candidate

		return None


if __name__ == "__main__":
			print(F'''{solution() = }''')


