

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