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 Scanner in = new Scanner(System.in);
    
    public static void main(String[] args){
        int n = in.nextInt();
        Long s = Long.valueOf(1);
        for(int i=1; i<=n; i++){
            if(i == 13){
                s = Long.valueOf(8092);
            } else {
                s = s * 2;
            }
        }
        System.out.println(s);
    }
}