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.Scanner;

/**
 * Created by KamnaYadav on 3/14/2017.
 */
public class powers {
    public static void main(String[] args){


        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        double power = Math.pow(2, n);
        String[] arr = new String[]{"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(arr[n]);

    }
    static int powInteger(int a, int b){
        if(a == 0)
            return 1;
        else
            return b * powInteger(b, (--a));
    }
}