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

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */



import java.util.Scanner;




public class Contest {
    public static void main(String[] args) {
     Scanner input = new Scanner(System.in);// scanner class use kore input newar jnnoo
        //System.out.print("input :");
        int n=input.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 ==0 )
           {
        	      System.out.println("6");
           }
        
   
        
        
}
}