import java.util.Scanner;


public class _1206 {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        int n = 36;
        long k = s.nextInt();
        while (k > 1) {
            n *= 55;
            k--;
        }
        System.out.println(n);
    }
}

Edited by author 05.05.2014 17:02