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[])
   {
	   Scanner sc=new Scanner(System.in);
	   while(sc.hasNext())
	   {
	  int n=sc.nextInt();
	  if(n==0)
	  { System.out.println(1);
	  
	  }
	  else {
		  if(n%4==1)
			  System.out.println(8);
		  if(n%4==2)
			  System.out.println(4);
			  if(n%4==3)
				  System.out.println(2);
				  if(n%4==0)
					  System.out.println(6);
	  }
}
}}