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

//1378
import java.util.Scanner;
public class CF742A{
    public static void main(String[]args){
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int digit = 0;
        switch(n%4){
            case 0 : digit = 6; break;
            case 1 : digit = 8; break;
            case 2 : digit = 2; break;
            case 3 : digit = 4; break;
        }
        System.out.println(n== 0 ? 1 : digit);
    }
}