public static void Main()
{
Console.WriteLine("Enter your Sentance");
string userInput = Console.ReadLine();
LeetspeakTranslator Leetspeak = new LeetspeakTranslator();
string eThere = LeetSpeak.IsEthere(userInput);
string oThere = LeetSpeak.IsOthere(eThere);
string iThere = LeetSpeak.IsIThere(oThere);
string tThere = LeetSpeak.IsTThere(iThere);
string sThere = LeetSpeak.IsStartsWithS(tThere);
Console.WriteLine("output: " + sThere);
}