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.InputStreamReader;
import java.util.Scanner;

public class ProblemA {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(new InputStreamReader(System.in));
        int a = sc.nextInt();
        System.out.println(
                new String[] {
                        "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"
                }[a - 1]
        );
        sc.close();
    }
}