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 A_742 {
	public static void main(String[] args) {
		Scanner tec = new Scanner(System.in);
		
		int n = tec.nextInt();
		
		if (n != 0) {
			
			n = n%4;
			switch(n)
			{
			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;
			}		
		}
		else
			System.out.println(1);
	}
}
