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 A {

    public A() {
        leer();
    }
    String [] pre ={"Washington","Adams","Jefferson","Madison","Monroe","Adams","Jackson","Van Buren","Harrison","Tyler","Polk",
            "Taylor","Fillmore","Pierce","Buchanan","Lincoln","Johnson","Grant","Hayes","Garfield","Arthur",
            "Cleveland","Harrison","Cleveland","McKinley","Roosevelt","Taft","Wilson","Harding","Coolidge","Hoover","Roosevelt",
            "Truman" ,"Eisenhower","Kennedy","Johnson","Nixon","Ford","Carter","Reagan","Bush","Clinton","Bush","Obama"};
    public void leer(){
        Scanner s = new Scanner(System.in);
        int num = Integer.parseInt(s.nextLine());
        System.out.println(pre[num-1]);
    }
    public static void main(String[] args) {
        new A();

    }

}