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){
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt();
		if(n<13){
			System.out.println((long)Math.pow(2, n));
		}else{
			System.out.println((long)(Math.pow(2,n)-Math.pow(2,n-13)*100));
		}
		sc.close();
	}
}