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.*;

public class Problems4 {

	private static Scanner input;
	
	
	public static void main(String[] args) {

		input = new Scanner(System.in);

		int n = input.nextInt();
		
		if (n==0)
			System.out.println(1);
		else if (n % 4 == 0)
			System.out.println(6);
		else if (n % 4 == 1)
			System.out.println(8);
		else if (n % 4 == 2)
			System.out.println(4);
		else if (n % 4 == 3)
			System.out.println(2);

	}
}