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.*;
public class DaVinci{
    public static void main(String[] args) {
        Scanner f = new Scanner(System.in);
        int a = f.nextInt();
        if (a < 13) {
            int ans = 1;
            for (int i = 0; i < a; i++) ans *= 2;
            System.out.println(ans);
        }
        else {
            long ans = 8092;
            for (int i = 13; i < a; i++) ans *= 2;
            System.out.println(ans);
        }
        f.close();
    }
    
}