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) throws java.lang.Exception
{
     Scanner input=new Scanner(System.in);
        
        
        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==4)
            System.out.println("6");
}
}