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 App {

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);	
		long n = input.nextLong();
		if(n == 0){
			System.out.println("1");
		}
		else if(n == 1){
			System.out.println("8");
		}
		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");
		}

	}

}
