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.OutputStream;
import java.io.PrintWriter;
import java.util.Scanner;
import java.io.InputStream;

public class Main {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        int n = in.nextInt();
        
        if (n == 0) {
            out.print(1);
        } else if (n % 4 == 0) {
            out.print(6);
        } else if (n % 4 == 1) {
            out.print(8);
        } else if (n % 4 == 2) {
            out.print(4);
        } else {
            out.print(2);
        }
        out.close();
    }

}