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.*;
import java.lang.*;
import java.math.*;
import java.util.regex.*;


public class main
{
    public static Scanner in = new Scanner(System.in);
    public static void main(String[] args)
    {
        long a=in.nextInt();
        if(a<=12)
        {
            System.out.println(1l<<a);
        }
        else
        {
            System.out.println(8092l*(1l<<(a-13)));
        }
        
    }
}