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 JavaApplication87 {


    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        
        int x = sc.nextInt();
        long c = 1;
        for(long i=0; i<x; i++){
            c *=2;
            if(c == 8192){
                c -=100;
            }
        }
        System.out.println(c);
        

    }
    
}