static void Main(string[] args) { System.Console.WriteLine("OMGHAI!"); var app = new Program() { items = new List <Item> { new Item { Name = "+5 Dexterity Vest", SellIn = 10, Quality = 20 }, new Item { Name = "Aged Brie", SellIn = 2, Quality = 0 }, new Item { Name = "Elixir of the Mongoose", SellIn = 5, Quality = 7 }, new Item { Name = "Sulfuras, Hand of Ragnaros", SellIn = 0, Quality = 80 }, new Item { Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 15, Quality = 20 }, new Item { Name = "Conjured Mana Cake", SellIn = 3, Quality = 6 } } }; System.Console.WriteLine("Insert a number of days to count:"); int daysToCount = 0; Int32.TryParse(System.Console.ReadLine(), out daysToCount); for (int i = 0; i < daysToCount; i++) { app.items = app.UpdateQuality(app.items); app.items = app.UpdateSellInValues(app.items); } foreach (var item in app.items) { System.Console.WriteLine(item.Name + " / " + item.Quality + " / " + item.SellIn); } System.Console.ReadKey(); }