

def 		SCREAMING_SNAKE_CASE__				(							_UpperCAmelCase,      _UpperCAmelCase				)					-> int:



    '''simple docstring'''






    return (input_a, input_a).count(0				) % 2
def 		SCREAMING_SNAKE_CASE__				(							)					-> None:



    '''simple docstring'''






    assert xor_gate(0,      0				) == 0
    assert xor_gate(0,      1				) == 1
    assert xor_gate(1,      0				) == 1
    assert xor_gate(1,      1				) == 0


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








from __future__ import annotations
def 		SCREAMING_SNAKE_CASE__				(							_UpperCAmelCase				)					-> set[int]:



    '''simple docstring'''






    lowerCAmelCase				:			List[str]    			=      {1}
    lowerCAmelCase				:			int    			=      [1]
    for _ in range(2,      depth + 1				):
        lowerCAmelCase				:			str    			=      [*previous_coefficients, 0]
        lowerCAmelCase				:			Optional[int]    			=      [0, *previous_coefficients]
        lowerCAmelCase				:			Tuple    			=      []
        for x, y in zip(_UpperCAmelCase,      _UpperCAmelCase				):
            coefficients.add(x + y				)
            previous_coefficients.append(x + y				)
    return coefficients
def 		SCREAMING_SNAKE_CASE__				(							_UpperCAmelCase				)					-> set[int]:



    '''simple docstring'''






    lowerCAmelCase				:			str    			=      set()
    for number in unique_coefficients:
        lowerCAmelCase				:			Dict    			=      2
        lowerCAmelCase				:			Tuple    			=      number
        while divisor**2 <= copy_number:
            lowerCAmelCase				:			List[str]    			=      0
            while copy_number % divisor == 0:
                copy_number //= divisor
                multiplicity += 1
            if multiplicity >= 2:
                non_squarefrees.add(_UpperCAmelCase				)
                break
            divisor += 1

    return unique_coefficients.difference(_UpperCAmelCase				)
def 		SCREAMING_SNAKE_CASE__				(							_UpperCAmelCase = 51				)					-> int:



    '''simple docstring'''






    lowerCAmelCase				:			int    			=      get_pascal_triangle_unique_coefficients(_UpperCAmelCase				)
    lowerCAmelCase				:			Optional[int]    			=      get_squarefrees(_UpperCAmelCase				)
    return sum(_UpperCAmelCase				)


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





