

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.lang.reflect.Array;
import java.util.*;

public class geek {



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



















