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