Bitset

#include<stdio.h>
int main()
{
 int A[120],N,i,j,k,t;
 while(scanf("%d",&t)!=EOF)
 {
    i=0;
   while(t)
   {
    A[i++]=t%2;
    t=t/2;
    }
    j=i;
   for(i=j-1;i>=0;i--)
   printf("%d",A[i]);
   puts("");
}
return 0;
}