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

import static java.lang.Math.sqrt;

public class Test {
    public static void main(String[] args) {

        Reader input = new Reader();
        PrintWriter out = new PrintWriter(System.out);
        
        int n = input.nextInt();
        if (n == 0) out.println(1); 
        else {
            int[] a = {6, 8, 4, 2}; 
            out.println(a[n % 4]);
        }

        out.close();
    }   


    static class Reader {
        
        BufferedReader br;
        StringTokenizer st;

        public Reader() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }

        String next() {

            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException ex) {
                    ex.printStackTrace();
                }
            }
            return st.nextToken();
        }

        String nextLine() {

            String str = "";
            try {
                str = br.readLine();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
            return str;
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }
    }
}