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 A {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int n = in.nextInt()%5;
		int out = 1;
		for (int i = 0; i < n; i++) {
			out = (out*8) % 10;
		}
		System.out.println(out);
	}

}