using System;

public class Program

{

    public static string BuildPath(params object[] paths) {

        string result = "";

        if (paths != null) {        

            foreach(var path in paths) {

                if (path == null) break;

                result += "/" + path;

            }

        }

        return result;

    }

    public struct Section { }

    public struct Sort { }

    public struct Window { }

    public static void GetGallery(Section? section = null, Sort? sort = null, Window? window = null, bool? showViral = null, int? page = null)

    {

        string uri = BuildPath("gallery", section, sort, window, showViral, page);

        Console.WriteLine(uri);

    }

    public static void Main()

    {

        GetGallery();

        GetGallery(new Section());

        GetGallery(new Section(), new Sort());

        GetGallery(new Section(), new Sort(), new Window());

        GetGallery(new Section(), new Sort(), new Window(), false);

        GetGallery(new Section(), new Sort(), new Window(), false, 1);      

        Console.WriteLine("Hello World");

    }

}