

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) {
		Scanner sc = new Scanner(System.in);
		
		int a = sc.nextInt();
		if (a>=10 && a<=999) {
		if ((a % 2) == 0 )
			System.out.println(0);
		else if ((a % 2) != 0)
			System.out.println(1);
		}
	}

}
