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();

        if (number != 0)
            System.out.println(rules(number % 4));
        //System.out.println(getLastNumber(findPower(number)));
        else
            System.out.println(1);
    }
    
    public static int rules (int number)
    {
        switch (number)
        {
            case 0: return 6;
            case 1: return 8;
            case 2: return 4;
            case 3: return 2;
        }

        return 0;
    }
}
