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.*;
import java.lang.*;


public class A656 {

  public static void main(String[] args) {
    
    int length;
    
    Scanner s = new Scanner(System.in);
    length = s.nextInt();


    if(length < 13)
      System.out.println((long) Math.pow(2, length));
    else{
      long val = 8092 * (long) Math.pow(2, length-13);
      System.out.println(val);
    }
  }
}