Problem: 

Input

The input contains a single integer a (0 ≤ a ≤ 35).

Output

Output a single integer.

Examples

Input

3


Output

8


Input

10


Output

1024

Solution (in JAVA):

Solution:

import java.util.*;
import java.util.regex.*;

public class Main {

    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        int n = s.nextInt();
        String[] save = {"1", "2", "4", "8", "16", "32", "64", "128", "256", "512", "1024", "2048", "4096", "8092", "16184", "32368", "64736", "129472", "258944", "517888", "1035776", "2071552", "4143104", "8286208", "16572416", "33144832", "66289664", "132579328", "265158656", "530317312", "1060634624", "2121269248", "4242538496", "8485076992", "16970153984", "33940307968"};
        System.out.println(save[n]);
    }

}