/* * @Description: If you get question about the code, contact me at **********. * @Author: pengjunxing * @Date: 2023-02-10 19:59:42 * @LastEditors: pengjunxing * @LastEditTime: 2023-02-10 20:02:36 */ #include<iostream> using namespace std; int count(int n) { int time=0; while(n) { if(n%2) { time++; } n/=2; } return time; } int main() { int num; while(cin>>num) { cout<<count(num)<<endl; } }