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;

public class Solution742A {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();

        if (n % 4 == 0) {
            if (n != 0) {
                n = 4;
            }
        } else {
            n = n % 4;
        }

        int ans = (int) Math.pow(8, n) % 10;

        System.out.println(ans);
    }
}