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.*;
import java.math.BigInteger;

public class Codeforces
{
    public static void main(String args[])
    {
        Scanner sc=new Scanner(System.in);
        int n=sc.nextInt();
        if(n==1||(n-1)%4==0)
        {
            System.out.println("8");
        }
        else if(n==2||(n-2)%4==0)
        {
            System.out.println("4");
        }
        else if(n==3||(n-3)%4==0)
        {
            System.out.println("2");
        }
        else if(n==4||(n-4)%4==0)
        {
            System.out.println("6");
        }
    }
}