Reversed Binary Numbers Solution:

package reversed_Binary_Numbers;

import java.util.Scanner;

public class Reversed_Binary_Numbers {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int in = sc.nextInt();
		String s = Integer.toBinaryString(in);
		StringBuilder sb = new StringBuilder(s);
		s = sb.reverse().toString();
		System.out.println(Integer.parseInt(s, 2));
	}
}