

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.util.Scanner;

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