import java.util.*; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int num = scanner.nextInt(); //write your code here...... fun(num); } private static void fun(int num){ int temb = num / 2; int temp = num % 2; if(temb >=1){ fun(temb); } System.out.print(temp); } }