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.math.BigInteger;
import java.util.Scanner;

public class arpaHardExam {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int k = n%4;
		int res = 0;
		if (n==0) {
			System.out.println(1);
			return;
		}
		switch(k) {
		case(0):res=6;break;
		case(1):res=8;break;
		case(2):res=4;break;
		case(3):res=2;break;
		}
		System.out.print(res);
		
	}
//	public static String sol (int n) {
//		BigInteger x = new BigInteger("1378");
//		BigInteger res = x.pow(n);
//		String t = res.toString();
//		return (""+t.charAt(t.length()-1));
//	}
}
