import java.util.Scanner; public class BinanyOperation { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int m = scan.nextInt(); if(m == 0) { System.out.println(0); }else { BinanyFunc(m); } } public static void BinanyFunc(int n){ if(n == 0) return; else { BinanyFunc(n / 2); System.out.printf("%d", n % 2); } } }