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 input = new Scanner(System.in);
        
        long n = input.nextLong();
        
        if( n==0 ){
            System.out.println(1);
            
        }
        else{
        n=n%4;
        if(n==0)System.out.println(6);
        else
            if(n==1)System.out.println(8);
        else
                if(n==2)System.out.println(4);
        else
                    if(n==3)System.out.println(2);
        }
        
}
}
