

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;



/**
 *
 * @author fa5er
 * @problemName Quirky Quantifiers
 * @ProblemLink http://codeforces.com/contest/952/problem/A
 */
public class Main {
    public static void main(String[] args) throws IOException {
        
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        int a = Integer.parseInt(in.readLine());
        if (a % 2 == 0) {
            System.out.println("0");
        }else{
            System.out.println("1");
        }
    }
}
