#include<stdio.h>
int fun(int x);

int main(void){

printf("%d",fun(456));

}

int  fun(int x)
 {
         int count = 0 ;

         while(x){
            count++ ;
            x = x & (x-1) ;
            printf("x=%d,count=%d\n",x,count);
         }
         return count ;
}