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 Main {

    
    static Scanner sc = new Scanner (System.in);
    static int n;
    static int kq;
    
    static void solve()
    {
        if(n==0)
        {
            kq=1;
        }
        else
        {
            n=n%4;
            switch(n)
            {
                case 1: kq = 8; break;
                case 2: kq = 4; break;
                case 3: kq = 2; break;
                default: kq=6; 
            }
        }
    }
    
    static void output()
    {
        System.out.println(kq);
    }
    
    public static void main(String[] args) throws Exception{
        
            n=sc.nextInt();
            solve();
            output();
        
        
    }
    
}
