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);

long n, ans;
n = sc.nextInt();
if (n <= 12){
long x = (long) Math.pow(2, n);
System.out.println(x);
}
else
{
ans = (long) Math.pow(2, n-13);
System.out.println(8092*ans);
}
    }
    
}