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;

public class Main {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        System.out.println(pow(n));
    }

    public static long pow(int n) {
        long res = 1;

        for (int i = 0; i < n; i++) {
            if(i == 12)
                res = res * 2 - 100;
            else
                res *= 2;
        }

        return res;
    }
}