int messages = int.Parse(Console.ReadLine());
            int minutes = int.Parse(Console.ReadLine());
            int planMessages = 20;
            int planMinutes = 60;
            int additionalMessages = 0;
            int additionalMinutes = 0;
            int additionalSum = 0;

            if (planMessages > 20)
            {
                additionalMessages = messages - planMessages;
                //additionalSum = additionalMessage * (0.06);
                Console.WriteLine($"{additionalMessages} additional messages for {additionalSum} levas");
            }
        }