

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.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
public class Solution{
    public static void main(String[] args) throws IOException {

        Scanner scan = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        double a = scan.nextDouble();
        if(a%2==0) {
            System.out.println("0");
        }
        else
        {
            System.out.println("1");
        }
    }
}