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 scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        long ans = 1;
        for (int i = 0; i < n; i++) {
            ans *= 2;
            if (i == 12) ans -= 100;
        }
        System.out.println(ans);

    }
}