#include<iostream>
using namespace std;
void convert(int n)
{
     if (n/2 > 0 )
       convert(n/2);
     cout << n % 2;
}  

int main()
{
    int n;
 
    cout <<"Enter Dec num: ";
 //   cin >> n;
  for (int i = 0; i <=32; i++)
  {
    cout <<i <<"  ";
    convert(i);    
    cout <<endl;
   }
       system("pause");
    return 0;
}//end main