#include <stdio.h>
#include <stdlib.h>


int hesap(int n)
{
 if (n == 0){
  return 1;
 } else if (n == 1){
  return 3;
 } else {
  int f = (hesap(n-1))*2;
  int toplam = 3;
  toplam = toplam + f;
  /** printf("toplam: %d\n",toplam);
  printf("f: %d\n",f); **/
  return toplam;
}
}



binary(int n)
{
    if (n == 1){
     if (ays == );
     } else if (n==2){
     return 1;
    } else {
    int far = binary(n-1)/2;
    int ays = binary(n-1)%2; /* canim canim */
    printf("%d",ays);
    return far;
    }
}

int main(int argc, char *argv[])
{
  int i;
  printf("kac gun calismis: \n");scanf("%d",&i);
  printf("toplam= %d \n",binary(i));
  system("PAUSE");
  return 0;
}