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 MysteriousStrings {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int x = input.nextInt();
        if (x == 1) {
            System.out.println("Washington");
        } else if (x == 2) {
            System.out.println("Adams");
        } else if (x == 3) {
            System.out.println("Jefferson");
        } else if (x == 4) {
            System.out.println("Madison");
        } else if (x == 5) {
            System.out.println("Monroe");
        } else if (x == 6) {
            System.out.println("Adams");
        } else if (x == 7) {
            System.out.println("Jackson");
        } else if (x == 8) {
            System.out.println("Van Buren");
        } else if (x == 9) {
            System.out.println("Harrison");
        } else if (x == 10) {
            System.out.println("Tyler");
        } else if (x == 11) {
            System.out.println("Polk");
        } else if (x == 12) {
            System.out.println("Taylor");
        } else if (x == 13) {
            System.out.println("Fillmore");
        } else if (x == 14) {
            System.out.println("Pierce");
        } else if (x == 15) {
            System.out.println("Buchanan");
        } else if (x == 16) {
            System.out.println("Lincoln");
        } else if (x == 17) {
            System.out.println("Johnson");
        } else if (x == 18) {
            System.out.println("Grant");
        } else if (x == 19) {
            System.out.println("Hayes");
        } else if (x == 20) {
            System.out.println("Garfield");
        } else if (x == 21) {
            System.out.println("Arthur");
        } else if (x == 22) {
            System.out.println("Cleveland");
        } else if (x == 23) {
            System.out.println("Harrison");
        } else if (x == 24) {
            System.out.println("Cleveland");
        } else if (x == 25) {
            System.out.println("McKinley");
        } else if (x == 26) {
            System.out.println("Roosevelt");
        } else if (x == 27) {
            System.out.println("Taft");
        } else if (x == 28) {
            System.out.println("Wilson");
        } else if (x == 29) {
            System.out.println("Harding");
        } else if (x == 30) {
            System.out.println("Coolidge");
        } else if (x == 31) {
            System.out.println("Hoover");
        } else if (x == 32) {
            System.out.println("Roosevelt");
        } else if (x == 33) {
            System.out.println("Truman");
        } else if (x == 34) {
            System.out.println("Eisenhower");
        } else if (x == 35) {
            System.out.println("Kennedy");
        } else if (x == 36) {
            System.out.println("Johnson");
        } else if (x == 37) {
            System.out.println("Nixon");
        } else if (x == 38) {
            System.out.println("Ford");
        } else if (x == 39) {
            System.out.println("Carter");
        } else if (x == 40) {
            System.out.println("Reagan");
        }

    }

}