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.math.BigInteger;
import java.util.Scanner;

public class A {
	static int a = 1378;

	public static int pow(int b) {
		int result = 1;
		while (b > 0) {
			if (b % 2 != 0) {
				result *= a;
				b--;
			}
			a = (a*a)%10;
			b /= 2;
		}

		return result%10;

	}

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		System.out.println(pow(n));
	}

}
