


'''simple docstring'''



def 			_UpperCamelCase					(						UpperCamelCase__ = 1_0_0    ):
			UpperCAmelCase__     :    List[Any]         =   n * (n + 1) * (2 * n + 1) / 6
			UpperCAmelCase__     :    Optional[int]         =   (n * (n + 1) / 2) ** 2
			return int(square_of_sum - sum_of_squares    )


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







def 						_a    (      a :int = 100 )							->			int:
 a		  =      n * (n + 1) * (2 * n + 1) / 6
 a		  =      (n * (n + 1) / 2) ** 2
 return int(square_of_sum - sum_of_squares )


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


