Ex7_CountsOfBitsOne

package javaSyntax;

import java.util.Scanner;

public class Ex7_CountsOfBitsOne {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int counter = 0;

        for (int i = 0; i < 32; i++) {
            if ((n&1)==1) {
                counter++;
            }
            n = n>>1;
        }
        System.out.println(counter);
    }
}