code: 
  
  
  
  
  
  def 		_SCREAMING_SNAKE_CASE    (   lowerCAmelCase__	):
  		lowerCamelCase_  :    List[Any]   	=			9
  
  		while num > 0:
  				if num % 10 != digit:
  						return False
  				num //= 1_00
  				digit -= 1
  
  		return True
  
  
  def 		_SCREAMING_SNAKE_CASE    (   ):
  		lowerCamelCase_  :    str   	=			1_38_90_26_63
  
  		while not is_square_form(num * num	):
  				if num % 10 == 3:
  						num -= 6  # (3 - 6) % 10 = 7
  				else:
  						num -= 4  # (7 - 4) % 10 = 3
  
  		return num * 10
  
  
  if __name__ == "__main__":
  		print(F'''{solution() = }''')
  
style_context: 
  
  
  
  
  
  def 		_SCREAMING_SNAKE_CASE    (   lowerCAmelCase__       ,lowerCAmelCase__	):
  		return (input_a, input_a).count(0	) % 2
  
  
  def 		_SCREAMING_SNAKE_CASE    (   ):
  		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))
  