Console.WriteLine("NCEA Level: ");
string level = Console.ReadLine();
Console.WriteLine("Chapter Number: ");
string number = Console.ReadLine();
Console.WriteLine("Parent Topic: ");
string lgtopic = Console.ReadLine();
Console.WriteLine("Child Topic: ");
string smtopic = Console.ReadLine();

char first = lgtopic[0];

lgtopic = lgtopic.Replace(" ", "%20");
smtopic = smtopic.Replace(" ", "%20");

Console.WriteLine("URL: www.scipad.co.nz/2014%20Answers%20Flip%20book/Level%20" + level + "%20" + lgtopic + "/" + first + number + "/" + first + number + "%20" + smtopic + ".html");
Console.ReadLine();