

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_952A {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		int a = input.nextInt();
		System.out.println((a % 2 == 0) ? 0 : 1);
		input.close();
	}
}
