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.io.PrintStream;
import java.util.Scanner;

public class mm {
    static PrintStream p = System.out;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        long n  = sc.nextLong();
        if (n==0)
            p.print(1);
        else {
            int x = (int) (n % 4);
            int exp;
            if (x == 0)
                 exp = 4;
            else
                exp = x;
            double a = Math.pow(1378, exp) %10;
            p.print((int)a);
        }
    }
}
