#include <iostream>
#include <string>
using namespace std;
 int Bin (int x)
 {
     int binary [16];
     cin >> x; 
     for (int i=15;i<=15;i--)
     {
         if   (x != 0 )
              {
         binary [i]=x%2;
         x=x/2;
              }
         else if (x==0)
      {
         exit ;    
      }
     }
     for (int j=0; j<=15 ;j++){
     cout << binary [j] ;   
     }
     
 }
 
 
 int oddNum (int N){
    
    if (N % 2 != 0 ) {
       cout << "odd ";  
    }
    return 0;
 }
 int woderful
int main()
{
    int num ;
    cin>> num;

    Bin (num);
}