英文翻译20

OpenJudge - 23:Multiple of 3 Or 5

描述

How many positive integers are there which is less than N and is a multiple of 3 or a multiple of 5.

输入

One positive integer N (N <= 100000).

输出

One integer.

翻译：

是三或五的倍数且小于N的数有多少个？

输入：

一个正整数N

输出：

一个数。