





def  A_(      A ):
	if not isinstance(A					,   A ):
		UpperCAmelCase_		    =  f"""Input value of [number={number}] must be an integer"""
		raise TypeError(A )
	if number < 0 or number % 2 == 1:
		return False
	UpperCAmelCase_		    =  int(number**0.5 )
	return number == number_sqrt * (number_sqrt + 1)


if __name__ == "__main__":
				import doctest

				doctest.testmod()









def  A_(      A = 1000 ):
	UpperCAmelCase_		    =  0
	for i in range(A ):
		if i % 3 == 0 or i % 5 == 0:
			result += i
	return result


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


