


def       lowerCAmelCase			(		lowerCAmelCase_ = 1_000			)->			int:
				lowerCAmelCase_			:   Any     					=					0
				lowerCAmelCase_			:   List[str]     					=					(n - 1) // 3
				total += ((terms) * (6 + (terms - 1) * 3)) // 2  # total of an A.P.
				lowerCAmelCase_			:   Optional[int]     					=					(n - 1) // 5
				total += ((terms) * (10 + (terms - 1) * 5)) // 2
				lowerCAmelCase_			:   Dict     					=					(n - 1) // 15
				total -= ((terms) * (30 + (terms - 1) * 15)) // 2
				return total


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



def       lowerCAmelCase			(		lowerCAmelCase_			, lowerCAmelCase_			)->			set:
				assert isinstance(lowerCAmelCase_			, lowerCAmelCase_			), f"""The input value of [set_a={set_a}] is not a set"""
				assert isinstance(lowerCAmelCase_			, lowerCAmelCase_			), f"""The input value of [set_b={set_b}] is not a set"""

				return {a + b for a in set_a for b in set_b}


if __name__ == "__main__":
						from doctest import testmod

						testmod()