static void Main(string[] args)
{
Dog dog = new Dog();
Cat cat = new Cat();
Console.WriteLine(dog.Age);
Console.WriteLine(dog.Legs);
Console.WriteLine(dog.Gender);
dog.Sound();
Console.WriteLine(cat.Age);
Console.WriteLine(cat.Legs);
Console.WriteLine(cat.Gender);
cat.Sound();
Console.ReadKey();
}
