Problem: 

Input

The input contains a single integer a (1 ≤ a ≤ 40).

Output

Output a single string.

Examples

Input

2


Output

Adams


Input

8


Output

Van Buren


Input

29


Output

Harding

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]);
    }
}