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.*;
import java.io.*;

public class Main {

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