static void Main(string[] args)
{
var frog1 = new Frog(25, "jaba1", true);
var frog2 = new Frog(20, "jaba2", false);
var frog3 = new Frog(25, "jaba3", true);
var frog4 = new Frog(20, "jaba4", false);
var allFrogs=new Frog[]{frog1,frog2,frog3,frog4};
var dog1 = new Dog(30, "kuche1", true);
var dog2 = new Dog(30, "kuche2", true);
var dog3 = new Dog(30, "kuche3", true);
var allDogs=new Dog[]{dog1,dog2,dog3};
var randomCat1 = new Cat(5, "random kotka1", false);
var randomCat2 = new Cat(13, "random kotka2", false);
var randomCat3 = new Cat(5, "random kotka3",true);
var allCats=new Cat[]{randomCat1,randomCat2,randomCat3};
var femaleCat1 = new Kitten(5, "jenska kotka1");
var femaleCat2 = new Kitten(43, "jenska kotka2");
var femaleCat3 = new Kitten(56, "jenska kotka3");
var allFemaleCats=new Kitten[]{femaleCat1,femaleCat2,femaleCat3};
var maleCat1 = new TomCat(5, "mujka kotka1");
var maleCat2 = new TomCat(6, "mujka kotka2");
var maleCat3 = new TomCat(200, "mujka kotka3");
var allMaleCats=new TomCat[]{maleCat1,maleCat2,maleCat3};
var frogs = allFrogs.Average(x => x.Age);
Console.WriteLine("The avergae age of frogs is: {0}",frogs);
var dogs = allDogs.Average(x => x.Age);
Console.WriteLine("The avergae age of dogs is: {0}", dogs);
var cats = allCats.Average(x => x.Age);
Console.WriteLine("The avergae age of random cats is: {0}", cats);
var femaleCats = allFemaleCats.Average(x => x.Age);
Console.WriteLine("The avergae age of female cats(Kittens) is: {0}", femaleCats);
var maleCats = allMaleCats.Average(x => x.Age);
Console.WriteLine("The avergae age of male cats(Tomcats) is: {0}", maleCats);
Console.WriteLine(randomCat1.MakeSound());
}