Task_114.java

import java.util.Scanner;

public class Task_114 {
 public static void main(String[] args) {
 Scanner s = new Scanner(System.in);

 int a = s.nextInt();
 String b = sumOfDigit(a);

 System.out.println(b);
 }

 public static String sumOfDigit(int a) {
 String s = Integer.toBinaryString(a);
 StringBuilder b = new StringBuilder();

 while (s.length() > 0) {
 char c = s.charAt(s.length() - 1);
 s = s.substring(0, s.length() - 1);

 b.append(c);
 }
 return b.toString();
 }
}