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.io.IOException;
import java.util.Scanner;
public class Main {
 public static void main(String[] args) throws IOException {
 
        Scanner in= new Scanner (System.in);
   
      int l,n=in.nextInt();
       if(n==0)
           System.out.println(1);
       else
       { 
           if(n%4==1)
               System.out.println("8");
       else if (n%4==2)
               System.out.println("4");
       else if (n%4==3)
               System.out.println("2");
       else if (n%4==4)
               System.out.println("6");
           }
       
       
 } }