

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 Monty1{
    public static void main(String[] args) {
        Scanner s=new Scanner(System.in);
        int n;
        n=s.nextInt();
        if(n%2==0){
            System.out.print("0");
            
        }
        else{
            System.out.print("1");
        }
    }
} 