private static IKing KingSetter()
        {
            string kingName = Console.ReadLine();

            IKing king = new King(kingName);

            string[] royalGuardUnits = Console.ReadLine().Split();

            foreach (var unit in royalGuardUnits)
            {
                king.AddUnitToArmy(new RoyalGuard(unit));
            }

            string[] footmanUnits = Console.ReadLine().Split();

            foreach (var unit in footmanUnits)
            {
                king.AddUnitToArmy(new Footman(unit));
            }

            return(king);
        }