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 for on 2017-02-03.
 */
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();

        if(n==0) {
            System.out.println("1");
            return;
        }
        n = (n-1+4)%4;


        if(n==0) System.out.println("8");
        else if(n==1) System.out.println("4");
        else if(n==2) System.out.println("2");
        else if(n==3) System.out.println("6");
    }
}
