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

/**
 * Online Judge: CodeForces.
 * Problem Code: CF742-D2-A.
 * Problem Name: Arpa’s hard exam and Mehrdad’s naive cheat.
 * Date : 07/06/2020.
 * @author Andrew
 */
import java.util.Scanner;

public class Solution {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        if (n <= 3)
            System.out.println((int) (Math.pow(8, n) % 10));
        else {
            int r = n % 4;
            System.out.println((int) (Math.pow(8, r + 4) % 10));
        }
    }
}
