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

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author ansam
 */
import java.util.*;

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");
        } else {
            if (n < 5) {
                if (n == 1) {
                    System.out.println("8");
                } else if (n == 2) {
                    System.out.println("4");
                } else if (n == 3) {
                    System.out.println("2");
                } else if (n == 2) {
                    System.out.println("6");
                }
            } else {
                
                n = 4- (n%4);
                if (n == 1) {
                    System.out.println("8");
                } else if (n == 2) {
                    System.out.println("4");
                } else if (n == 3) {
                    System.out.println("2");
                } else if (n == 4) {
                    System.out.println("6");
                }
            }

        }

    }
}
