private static void AddPlayer(IAttackable king)
    {
        var royalGuards = Console.ReadLine().Split();

        foreach (var royalGuard in royalGuards)
        {
            king.AddPlayer(new RoyalGuard(royalGuard));
        }

        var footmans = Console.ReadLine().Split();

        foreach (var footman in footmans)
        {
            king.AddPlayer(new Footman(footman));
        }
    }