

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