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.io.IOException;
import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * User: user
 * Date: 4/1/13
 * Time: 7:58 PM
 * To change this template use File | Settings | File Templates.
 */
public class US {

    static String[] names = {
            "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 static void main(String[] args) throws IOException {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt() - 1;
        System.out.println(names[n]);
    }
}