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

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.*;
public class ArpaLand {
    public static void main(String[] args) throws Exception{
        
        InputStreamReader r = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(r);
        
        String n_str = br.readLine();
        int n = Integer.parseInt(n_str);
        
        if(n%4==1)
        {
            System.out.println("8");
        }
        else if(n%4==2)
        {
            System.out.println("4");
        }
        else if(n%4==3)
        {
            System.out.println("2");
        }
        else
        {
            System.out.println("6");
        }
    }
}
