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 Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		Scanner sc = new Scanner(System.in);
	    	

	    	 long n, ans;
	    	n = sc.nextInt();
	    	if (n <= 12){
	    		long x =  (long) Math.pow(2, n);
	    		 System.out.println(x);
	    	}
	    	else
	    	{
	    		ans =  (long) Math.pow(2, n-13);
	  
	    	
	    	
	    System.out.println(8092*ans);
	    	}
	   
		

	}

}