do
            {
                int playerMatches;
                string inputLine;
                bool Matches = true;
                do
                {
                    // Asks to enter the amount of matches
                    Console.Write("Wie viele Hölzer nimmst Du: ");
                    inputLine = Console.ReadLine();
                    // Checks if amount of matches is from 1 to 4. Only digits are allowed.
                    // If no, asks to re-enter the amount.
                    if (!int.TryParse(inputLine, out playerMatches))
                    {
                        Matches = false;
                        Console.WriteLine("Falsche Zahl. Wiederhole die Eingabe.");
                    }
                    else if (playerMatches > 4 || playerMatches < 1)
                    {
                        Matches = false;
                        Console.WriteLine("Falsche Zahl. Wiederhole die Eingabe.");
                    }
                    else
                    {
                        break;
                    }
                }
                while(!Matches);
                playerMatches = Convert.ToInt32(inputLine);
                // Calculates amount of remaining matches and print them on the screen

                sumMatches = sumMatches - playerMatches;