
def  A			(   lowercase = 1_000					)  ->    int:
		'''simple docstring'''

		return sum(i for i in range(lowercase					) if i % 3 == 0 or i % 5 == 0					)


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


def  A			(   lowercase					)  ->    int:
		'''simple docstring'''

		return int(lowercase					) if x - int(lowercase					) >= 0 else int(lowercase					) - 1


if __name__ == "__main__":
					import doctest

					doctest.testmod()
