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.*;
import java.util.Scanner;
import java.math.*;
public class Main {
    public static void main(String[] args)
    {
       Scanner sc =new Scanner(System.in);
       int a[]=new int[500];
       while(sc.hasNext())
       {
    	  int n=sc.nextInt();
          if(n==0) System.out.print("1");
          else
          {
        	  n%=4;
        	  if(n==0) System.out.print("6");
        	  if(n==1) System.out.print("8");
        	  if(n==2) System.out.print("4");
        	  if(n==3) System.out.print("2");
          }
          
       }    
       }
}
							 		 				    	  		 		 	 	