static void Main(string[] args) { var displayer = new Displayer(new Model()); displayer.DisplayWelcome(true); while (true) { var input = Console.ReadLine(); if (input == "1" || input == "2") { displayer.DisplayOrganism(input); } else if (input == "3") { displayer.DisplayDonationForm("1", "1"); } else if (input == "q") { break; } displayer.DisplayWelcome(false); } }