package com.company;

import java.util.Scanner;

public class Main {

    private static Scanner scanner = new Scanner(System.in);

    public static void main(String[] args) {
	// write your code here

        int broj = Integer.parseInt(args[0]);

        int pomjeren = broj;//starting value


        String b = "";
        if(pomjeren == 0){//check if its zero
            b= "0";
        }
        while (pomjeren>0){
            if(pomjeren%2==0){
                b = 0 + b;
            }else{
                b = 1 + b;
            }
            pomjeren = pomjeren>>1;//move one place to right
        }
        System.out.println(b);
    }
}