static void Main(string[] args)
        {
            Habitant a = new Habitant("Martin", "Holena", 17);
            Habitant b = new Habitant("Kači", "Kováč", 17);
            Habitant c = new Habitant("Filip", "Bezvajco", 14);
            Habitant d = new Habitant("Michal", "Turcel", 18);

            Console.WriteLine(a.ToString());

            Flat A = new Flat(1, 72, 3);
            Flat B = new Flat(2, 82, 4);
            Flat C = new Flat(3, 79, 2);

            A.AddHabitant(a);
            A.AddHabitant(b);
            Console.WriteLine(A.ToString());
            Console.WriteLine(A.GetInfoAboutAllHabitants());

            B.AddHabitant(c);
            Console.WriteLine(B.ToString());
            Console.WriteLine(B.GetInfoAboutAllHabitants());
            C.AddHabitant(d);

            Console.WriteLine(d);
            Console.WriteLine(d.GetInfoAboutFlat());

            Console.WriteLine("ahoj kamarát")
        }
 public void AddHabitant(Habitant habitant)
 {
     habitants.Add(habitant);
     habitant.currentFlat = this;
 }