

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 scan= new Scanner(System.in);
		int n=scan.nextInt();
		if(n%2==0) System.out.println("0");
		else System.out.println("1");

	}

}
