

Input

The input contains a single integer a (10 ≤ a ≤ 999).

Output

Output 0 or 1.

Examples

Input

13


Output

1


Input

927


Output

1


Input

48


Output

0
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.lang.Math.*;
import java.util.Scanner;

public class Base_1 {

	public static void main(String[] args) throws FileNotFoundException {
		Scanner in = new Scanner(System.in);
		int Q = in.nextInt();
		if(Q%2==0)
		{
			System.out.println(0);
		}
		else
		{
			System.out.println(1);
		}
		
	}
}