05. URL Parser

using System;
class Program
{
    static void Main()
    {
        string url = Console.ReadLine();
        int protokolIndex = url.IndexOf("://");
        string protocol = "";
        if (protokolIndex > 0)
        {
            protocol = url.Substring(0, protokolIndex);
        }
        int resourceIndex = url.IndexOf("/", protokolIndex + 3);
        string server = "";
        string recource = "";

        if (resourceIndex > 0)
        {
            server = url.Substring(protokolIndex + 3, resourceIndex - protokolIndex - 3);
            recource = url.Substring(resourceIndex + 1);
        }
        else if (protokolIndex > 0)
        {
            server = url.Substring(protokolIndex + 3);
        }
        else
        {
            server = url.Substring(protokolIndex + 1);
        }
        Console.WriteLine("[protocol] = \"{0}\"", protocol);
        Console.WriteLine("[server] = \"{0}\"", server);
        Console.WriteLine("[resource] = \"{0}\"", recource);
    }
}