Code to insert/check existence of an item using binary operations

BinaryListCheck.cs

static void Main(string[] args)
        {
            int storage = 19; //10011
            int a = 1; //1
            int b = 2; //10
            int c = 4; //100
            int d = 8;//1000
            int e = 16;//10000
            Console.WriteLine("--------------------------------");
            Console.WriteLine("Check for the value 19 - 10011");
            Console.WriteLine($"Does {storage} contain \"a\" with the value of 1? " + ((storage & a) == a)); //true
            Console.WriteLine($"Does {storage} contain \"b\" with the value of 2? " + ((storage & b) == b)); //true
            Console.WriteLine($"Does {storage} contain \"c\" with the value of 4? " + ((storage & c) == c)); //false
            Console.WriteLine($"Does {storage} contain \"d\" with the value of 6? " + ((storage & d) == d)); //false
            Console.WriteLine($"Does {storage} contain \"e\" with the value of 8? " + ((storage & e) == e)); //true

            //using multiples of 2
            Dictionary<string, int> dict = new Dictionary<string, int>();
            dict.Add("Athens", (int)Math.Pow(2, 0)); //1
            dict.Add("Thessaloniki", (int)Math.Pow(2, 1)); //2
            dict.Add("Kozani", (int)Math.Pow(2, 2)); //4
            dict.Add("Larisa", (int)Math.Pow(2, 3)); //8
            dict.Add("Komotini", (int)Math.Pow(2, 4)); //16
            dict.Add("Trikala", (int)Math.Pow(2, 5)); //32
            dict.Add("Patra", (int)Math.Pow(2, 6)); //64

            int myStorage = dict["Athens"] + dict["Komotini"] + dict["Larisa"];

            Console.WriteLine("--------------------------------");
            Console.WriteLine("Let's check some cities");

            //does it contain Komotini?
            Console.WriteLine("Does it contain Komotini? " + ((myStorage & dict["Komotini"]) == dict["Komotini"])); //true

            //does it contain Larisa?
            Console.WriteLine("Does it contain Larisa? " + ((myStorage & dict["Larisa"]) == dict["Larisa"]));//true

            //does it contain Patra?
            Console.WriteLine("Does it contain Patra? " + ((myStorage & dict["Patra"]) == dict["Patra"]));//false

            Console.WriteLine("--------------------------------");
            Console.WriteLine("Let's check *all* cities");

            foreach (var item in dict)
            {
                if ((myStorage & item.Value) != 0) //check every city
                    Console.WriteLine($"It does contain {item.Key}");
                else
                    Console.WriteLine($"It does not contain {item.Key}");
            }

            Console.WriteLine("--------------------------------");
            Console.WriteLine("Let's remove Larisa");
            //remove Larisa
            myStorage = myStorage - dict["Larisa"];
            //does it contain Larisa?
            Console.WriteLine("Now, does it contain Larisa? " + ((myStorage & dict["Larisa"]) == dict["Larisa"]));

            Console.ReadLine();
        }