import java.util.*; import java.lang.*; import java.io.*; class Codechef { public static String findBinary(int num, String result) { if(num == 0) return result; result = num % 2 + result; return findBinary(num / 2, result); } public static void main (String[] args) throws java.lang.Exception { System.out.println(findBinary(12, "")); } }