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 Piyush on 06-12-2016.
 */
public class NaiveCheat {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        int n = s.nextInt();
        int x = n % 4;
        int ans;
        switch (x) {
            case 0:
                ans = 8;
                break;
            case 1:
                ans = 4;
                break;
            case 2:
                ans = 2;
                break;
            default:
                ans = 6;
                break;
        }
        System.out.println(ans);
    }


}
