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.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        long eightPower = sc.nextLong();
        long twoPower = 3 * eightPower;
        if( ((twoPower-1)% 4) == 0){
            System.out.println("2");
        }
        else if( ((twoPower-2)% 4) == 0){
            System.out.println("4");
        }
        else if( ((twoPower-3)% 4) == 0){
            System.out.println("8");
        }
        else if( ((twoPower)% 4) == 0){
            System.out.println("6");
        }
    }
}