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;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author alexander
 */
public class Problem288A {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        String[] presidents = {
            "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"
        };
        System.out.println(presidents[n-1]);
        
            
    }
}