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.*;

public class Quantifier
{
    public static void main(String[] args)
    {
        Scanner input = new Scanner(System.in);
        int inputInteger  = input.nextInt();
        
        if (inputInteger%2 != 0) {
            System.out.println(1);
        } else {
            System.out.println(0);
        }
     }
}