


def 	lowerCamelCase_							(       UpperCAmelCase__ = 100   ):



						"""simple docstring"""




						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() = }''')





"""simple docstring"""

def 		_snake_case	(   _snake_case				:   str				)       ->   str:






      '''simple docstring'''


      return " ".join(
          ''.join(word[::-1]				) if len(_snake_case				) > 4 else word for word in sentence.split()				)


if __name__ == "__main__":
       import doctest

       doctest.testmod()
       print(reverse_long_words('''Hey wollef sroirraw'''))

