What will be printed when the following C# program runs?

What will be printed when the following C# program runs?

class Item {
    public static int totalItems = 0;
    public Item() {
        totalItems += 1;
    }
}

class Program {
    static void Main() {
        Item a = new Item();
        Item b = new Item();
        Item c = new Item();
        Console.WriteLine(Item.totalItems);
    }
}