

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 QuirkyQuantifiers {
    public static void main(String[] args) {
        int a = new Scanner(System.in).nextInt();
        System.out.println(a % 2 != 0 ? 1 : 0);
    }
}
