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.*;
import java.math.BigInteger;
import java.util.*;


public class CodeForces
{
     static Scanner in = new Scanner(System.in);  
       
   // static long mod = (long) 1e9 + 7 ;
    public static void main(String[] args) throws IOException 
	{
             int n = in.nextInt();
             String[] a = new String[]{"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"};
              System.out.println(a[n]);
        
        }
}