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) {
        //بسم الله الرحمن الرحيم

        //بسم الله الرحمن الرحيم
        Scanner in=new Scanner(System.in);

  int num =in.nextInt();
  if (num==0){
      System.out.print(1);
  }
  else {
   switch (num%4){
       case 1:
           System.out.print(8);

           break;
       case 2:
           System.out.print(4);

           break;
       case 3:
           System.out.print(2);

           break;
       case 0:
System.out.print(6);
           break;
   }}

    }

}
