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.*;

public class Solution
{
    public static void main(String []args)
    {
        Scanner sc = new Scanner(System.in);
        long n = sc.nextLong();
        long rem = n%4;
        
        if(n == 0)
        System.out.println(1);
        
        
        if(rem == 1)
        System.out.println(8);
        
        else if(rem == 2)
        System.out.println(4);
        
        else if(rem == 3)
        System.out.println(2);
        
        else 
        System.out.println(6);
    }
}