#include<stdio.h>

void main()
{
  int a, b=0, btemp, factor=1;

  printf("Enter a positive integer: ");
  scanf("%d", &a);

  while(a!=0)
    {
      btemp=a%2;
      a=a/2;

      b=b+btemp*factor;

      factor=factor*10;
    }

  printf(" Binary equivalent is %d\n", b);


}