public static void Main() { var shoppingBag = new ShoppingBag(); var n = int.Parse(Console.ReadLine()); for (int i = 0; i < n; i++) { var input = Console.ReadLine(); var command = input.Split()[0]; var args = input.Replace($"{command}", "").Trim(); var tokens = args.Split(';'); switch (command) { case "AddProduct": var product = new Product(tokens[0], decimal.Parse(tokens[1]), tokens[2]); shoppingBag.AddProduct(product); Console.WriteLine("Product added"); break; case "DeleteProducts": Console.WriteLine(!args.Contains(";") ? shoppingBag.DeleteProducts(args) : shoppingBag.DeleteProducts(tokens[0], tokens[1])); break; case "FindProductsByName": var result = shoppingBag.FindProductsByName(args); if (result.Any()) { Console.WriteLine(string.Join(Environment.NewLine, result)); break; } Console.WriteLine("No products found"); break; case "FindProductsByProducer": result = shoppingBag.FindProductsByProducer(args); if (result.Any()) { Console.WriteLine(string.Join(Environment.NewLine, result)); break; } Console.WriteLine("No products found"); break; case "FindProductsByPriceRange": var prices = args.Split(';').Select(decimal.Parse).ToArray(); result = shoppingBag.FindProductsByPriceRange(prices[0], prices[1]); if (result.Any()) { Console.WriteLine(string.Join(Environment.NewLine, result)); break; } Console.WriteLine("No products found"); break; } } }