

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;
public class AlgoPractices {

    public static void main(String[] args) throws IOException {
        BufferedReader bf= new BufferedReader(new InputStreamReader(System.in));
        int value=Integer.parseInt(bf.readLine());
        System.out.println((value%2)==0?"0":"1");
    }
}
    