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.*;
import java.io.*;
public class AprilFools
{
    public static void main(String[] args) throws Exception{
        BufferedReader bff=new BufferedReader(new InputStreamReader(System.in));
        PrintWriter pff=new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
        int n=Integer.parseInt(bff.readLine());
        String[] ar={"1", "2", "4", "8", "16", "32", "64", "128", "256", "512", "1024", "2048", "4096", "8092", "16184", "32368", "64736", "129472", "258944", "517888", "1035776", "2071552", "4143104", "8286208", "16572416", "33144832", "66289664", "132579328",
        "265158656", "530317312", "1060634624", "2121269248", "4242538496", "8485076992", "16970153984", "33940307968"};
        pff.printf("%s%n",ar[n]);
        pff.flush();
    }
}