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 ExponentProblem {
	public static void main(String[] args){
		Scanner scan = new Scanner(System.in);
		int num = scan.nextInt();
		int mod = num%4;
		switch(mod){
		case 1:
			System.out.println(8);
			break;
		case 2:
			System.out.println(4);
			break;
		case 3:
			System.out.println(2);
			break;
		case 0:
			System.out.println(6);
			break;
		}
	}
}
