static void Main(string[] args)
{
ElectricToy e = new ElectricToy();
e.Run();
e.MakeSound();
display(e);
Toy told = new Toy();
display(told);
Toy t = new ElectricToy();
display(t);
}
static void display(Toy e)
{
e.Run();
e.MakeSound();
}