---

using System;

class Car
{
    public string Name { get; set; }
    public int MaxSpeed { get; set; }

    public Car(string name, int maxSpeed)
    {
        Name = name;
        MaxSpeed = maxSpeed;
    }

    public virtual double Cost()
    {
        return MaxSpeed * 100;
    }

    public virtual void UpdateModel()
    {
        MaxSpeed += 10;
    }

    public string Information()
    {
        return $"Название: {Name}\n" +
               $"Максимальная скорость: {MaxSpeed} км/ч\n" +
               $"Стоимость: {Cost()}\n";
    }
}

class ExecutiveCar : Car
{
    public ExecutiveCar(string name, int maxSpeed)
        : base(name, maxSpeed)
    {
    }

    public override double Cost()
    {
        return