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 kirillskiy on 09/12/2016.
 */
public class Power1378LastNumber {

    private static int getLastDigitOf1378Pow(int power) {
        if (power == 0) {
            return 1;
        }
        switch (power % 4) {
            case 0: return 6;
            case 1: return 8;
            case 2: return 4;
            case 3: return 2;
            default: return -1;
        }
    }


    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String powerS = scanner.next();
        Integer power = Integer.parseInt(powerS);
        System.out.println(getLastDigitOf1378Pow(power));
    }

}
