12
 1378
 51202278
 989898989
 4
 7
 9
 6
 8
 12193721
 999999995
 999999999
 11
 999999996
 999999998
 3
 14
 15
 10
 999999994
 1000
 13781378
 5
 999999997
 1000000000
 13
 16
 0

6
 4
 4
 8
 6
 2
 8
 4
 6
 8
 2
 2
 2
 6
 4
 2
 4
 2
 4
 4
 6
 4
 8
 8
 6
 8
 6
 1

import java.util.Scanner;

/**
 * Created by Kamal on 12-12-2016.
 */
public class Arpa
{
    public static void main (String[] args)
    {
        Scanner scanner = new Scanner(System.in);

        int number = scanner.nextInt();

        System.out.println(getLastNumber(findPower(number)));
    }
    public static long getLastNumber (long number)
    {
        return number%10;
    }

    public static long findPower (long number)
    {
        return (long) Math.pow(1378, number);
    }
}
