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.io.*;

public class CF742A {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int n = Integer.parseInt(br.readLine());
		int ans;
		if (n == 0)
			ans = 1;
		else {
			n %= 4;
			if (n == 1)
				ans = 8;
			else if (n == 2)
				ans = 4;
			else if (n == 3)
				ans = 2;
			else
				ans = 6;
		}
		System.out.println(ans);
	}
}
