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 ques {


	public static void main(String[] args) {
		Scanner sc= new Scanner(System.in);
		int n= sc.nextInt();
		if(n==0)
			System.out.println("1");
		else {
			switch (n%4) {
			case 0:
				System.out.println("6");
				break;
			case 1:
				System.out.println("8");
				break;
			case 2:
				System.out.println("4");
				break;
			case 3:
				System.out.println("2");
				break;
			}
		}
		sc.close();
	}

}