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.Scanner;
public class Main
{
public static void main (String[] args) throws java.lang.Exception
{
 Scanner s =new Scanner (System.in);
        
        double n=s.nextInt();
        double z=(double) Math.pow(1378, n);
       
 double c=z%10;
        System.out.println(c);
}
}