

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.*;

public class main {

    public static void main(String[] args) {
            Scanner input=new Scanner(System.in);
            long a=input.nextLong();
            if (a % 2 == 0){
                System.out.println(0);
            } else {
                System.out.println(1);
            }

            
            //long size1 = input.nextLong();
            //input.nextLine();

            //System.out.println("Hello World!"); 
            //System.out.println(size);
            //System.out.println(paint);
            input.close(); 
    }

    
}