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


import java.util.*;
/**
 *
 * @author root
 */
public class Main {

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

}