public void callPlanets() { Console.WriteLine("1 - Pharvis sells Golds.\n2 - Crystal sells Diamonds.\n3 - Shell sells fuel\n4 - Bigagua restores health\n5 - Stonks buys your items.\n6 - Earth "); Console.Write(">> "); string location = Console.ReadLine().ToString(); Planets p = new Planets(); Console.Clear(); // while (location != "1" && location != "2" && location != "3" && location != "4" && location != "5" && location != "6") // { // Console.WriteLine("Please input the correct planet"); // Console.WriteLine("1- Pharvis sells Golds.\n2- Crystal sells Diamonds.\n3- Shell sells fuel\n4- Bigagua restores health\n5- Stonks buys your items.\n6 - Earth "); // Console.Write(">> "); // location = Console.ReadLine().ToString(); //} switch (location) { case "1": p.Pharvis(); break; case "2": p.Crystal(); break; case "3": p.Shell(); break; case "4": p.Bigagua(); break; case "5": p.Stonks(); break; case "6": p.Earth(); break; default: Console.Clear(); Console.WriteLine("Please input the correct planet"); callPlanets(); break; } }