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.lang.*;

public class c656{
	public static void main(String[] args){
	Scanner input = new Scanner(System.in);
	int a = input.nextInt();
	if(a<13){
		System.out.println((long)Math.pow(2,a));
	}else{
		System.out.println((long)(8092*Math.pow(2,a-13)));
	}
	}
}