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 Vanya_and_Fence
{
public static void main(String[] args)
{
 
    Scanner input = new Scanner(System.in);
    long num = input.nextLong() ; 
    if (num==0)
        System.out.println(1);
    else
    {   long result = num%4 ; 
        if (result==1)
         System.out.println(8);
        else if (result==2)
         System.out.println(4);
        else if (result==3)
         System.out.println(2);
        else if (result==4 || result == 0)
         System.out.println(6);
    }
}
}
