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 Main {
    
    public static void main(String[] args){
        String[] president = {
            "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"
        };
        
        Scanner scan = new Scanner(System.in);
        int index = scan.nextInt();
        System.out.println(president[index-1]);
    }

}