题目描述
Programmers' kids solve this riddle in 5-10 minutes. How fast can you do it?
Input
The input contains a single integer n (0 ≤ n ≤ 2000000000).
Output
Output a single integer.
输入格式
见题面 Input 部分
输出格式
见题面 Output 部分
样例输入
11
样例输出
2
Programmers' kids solve this riddle in 5-10 minutes. How fast can you do it?
The input contains a single integer n (0 ≤ n ≤ 2000000000).
Output a single integer.
见题面 Input 部分
见题面 Output 部分