






SCREAMING_SNAKE_CASE__				     =			[0, 2, 4, 6, 8]
SCREAMING_SNAKE_CASE__				     =			[1, 3, 5, 7, 9]

def        UpperCAmelCase__		(						lowerCamelCase_       :       List[Any]   ,  lowerCamelCase_       :       int   ,  lowerCamelCase_       :       List[Any]   ,  lowerCamelCase_       :       str				):
			if remaining_length == 0:
						if digits[0] == 0 or digits[-1] == 0:
									return 0

						for i in range(length // 2 - 1   ,  -1   ,  -1				):
									remainder += digits[i] + digits[length - i - 1]

									if remainder % 2 == 0:
												return 0

									remainder //= 1_0

						return 1

			if remaining_length == 1:
						if remainder % 2 == 0:
									return 0

						__a						:  Optional[int]									=     0
						for digit in range(1_0				):
									__a						:  Tuple									=     digit
									result += reversible_numbers(
									    0   ,  (remainder + 2 * digit) // 1_0   ,  lowerCAmelCase_   ,  lowerCAmelCase_				)
						return result

			__a						:  Tuple									=     0
			for digita in range(1_0				):
						__a						:  Optional[int]									=     digita

						if (remainder + digita) % 2 == 0:
									__a						:  Optional[int]									=     ODD_DIGITS
						else:
									__a						:  Optional[int]									=     EVEN_DIGITS

						for digita in other_parity_digits:
									__a						:  Any									=     digita
									result += reversible_numbers(
									    remaining_length - 2   ,  (remainder + digita + digita) // 1_0   ,  lowerCAmelCase_   ,  lowerCAmelCase_   ,  )
			return result

def        UpperCAmelCase__		(						lowerCamelCase_       :       Any = 9				):
			__a						:  List[Any]									=     0
			for length in range(1   ,  max_power + 1				):
						result += reversible_numbers(lowerCAmelCase_   ,  0   ,  [0] * length   ,  lowerCAmelCase_				)
			return result


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










"""simple docstring"""






def 			snake_case		(		lowerCAmelCase_  ,						lowerCAmelCase_	)						->				int:
  return 1 if input_a == input_a else 0




def 			snake_case		(		)						->				None:
  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))





