#include <stdio.h>

int main(void)
{
  int i, getal = 13;
  int mask    = 1<<31;
  char bs[33];
  printf("%d",mask);

  for(i=0;i<=31;i++)
  {
    bs[i] = ((getal & mask)==0)? '0': '1';
    getal<<=1;
  }
  bs[i]='\0';
  printf("%s\n",bs);
  return(0);
}