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 Pow {
	public static void main(String[] args) {
		Scanner S = new Scanner(System.in);
		int n = S.nextInt();
		if(n == 0) {
			System.out.println(1);
			return;
		}
		n --;
		n %= 4;
		int a = 8;
		for(int i = 0; i < n; i ++) {
			a *= 8;
			a %= 10;
		}
		System.out.println(a);
	}
}
