

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 Quirky_Quantifiers {

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