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 Problems {
    public static void main(String[] args) {
        Scanner input=new Scanner(System.in);
        int power=input.nextInt();
        if(power%4==0)
        {
            if(power==0)
            {
                System.out.println("1");
            }
            else
            {
               System.out.println("6"); 
            }
        }
        else
        {
            int x=power%4;
            long result=(long)Math.pow(8, x);
            System.out.println(result%10);
        }
    }
}