





"""simple docstring"""




def 			a_							(				_lowercase = 30  ):
						_UpperCamelCase     :   Union[str, Any]      =       exponent + 2
						_UpperCamelCase     :   List[str]      =       (1 + 5**0.5) / 2
						_UpperCamelCase     :   int      =       (phi**fibonacci_index - (phi - 1) ** fibonacci_index) / 5**0.5

						return int(_lowercase  )


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










'''simple docstring'''






def    lowercase_   (		lowercase__ = 400_0000    ) ->int:

						if n <= 1:
												return 0
						_snake_case: Union[str, Any]	       =		0
						_snake_case: List[Any]	       =		2
						_snake_case: Any	       =		0
						while 4 * b + a <= n:
												_snake_case       ,    _snake_case: int	       =		b, 4 * b + a
												count += a
						return count + b


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





