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;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class Cv {
//==========================Solution============================//
	public static void main(String[] args) {
		
		FastScanner in = new FastScanner();
		Scanner input = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);

		int n = input.nextInt();

		if (n % 4 == 1) {
			System.out.println(8);
		}

		if (n % 4 == 2) {
			System.out.println(4);
		}

		if (n % 4 == 3) {
			System.out.println(2);
		}

		if (n % 4 == 0) {
			System.out.println(6);
		}
		out.close();
	}

//==============================================================//
	static class FastScanner {
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer("");
		
		public String next() {
			while (!st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}
		
		public String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}
		
		byte nextByte() {
			return Byte.parseByte(next());
		}

		short nextShort() {
			return Short.parseShort(next());
		}

		int nextInt() {
			return Integer.parseInt(next());
		}
		
		long nextLong() {
			return java.lang.Long.parseLong(next());
		}
		
		double nextDouble() {
			return Double.parseDouble(next());
		}
	}
}