public static void Main()
string restart = "This value can be anything";
Console.WriteLine("How many Fibonacci numbers would you like to see?");
string num = Console.ReadLine();
ulong.TryParse(num, out n);
Console.Write("The first " + n + " Fibonacci numbers are : 1,1");
Console.Write(", " + Fn);
Console.WriteLine(". Press q to quit or click any other key to restart.");
restart = Console.ReadLine();