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.*;

public class Davinci{
	public static void main(String[] args){
		Scanner sc= new Scanner(System.in);
		int t= sc.nextInt();
		if(t<13){
			int a= (int)Math.pow(2,t);
			System.out.println(a);
		}else{
			int m= t-13;
			long b= (int)Math.pow(2, m);
			System.out.println(8092 * b);
		}
	}
}