杭电 1196 Lowest Bit

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
int main()
{
     int t,n;
     while(scanf("%d",&n),n) 
     {
         t=n&(-n);
         printf("%d\n",t);                        
     }   
     //system("pause");
     return 0;
}