using System;

public class Animal

{

     public Animal()

        {

            Console.Write("-> Animal");

        }

}

​

public  class Anfibio : Animal

    {

        public Anfibio()

        {

            Console.Write(" -> Anfíbio");

        }

    }

public class Sapo : Anfibio

    {

        public Sapo()

        {

            Console.Write(" -> Sapo\n");

        }

    }

public  class Mamifero : Animal

    {

        public Mamifero()

        {

            Console.Write(" -> Mamifero");

        }

    }

​

public  class Cachorro : Mamifero

    {

        public Cachorro()

        {

            Console.Write(" -> Cachorro\n");

        }

    }

​

public   class Gato : Mamifero

    {

        public Gato()

        {

            Console.Write(" -> Gato\n");

        }

    }

public class Reptil : Animal

    {

        public Reptil()

        {

            Console.Write(" -> Réptil");

        }

    }

​

public  class Jacare : Reptil

    {

        public Jacare()

        {

            Console.Write(" -> Jacaré\n");

        }

    }

    public  class Program

    {

        public static void Main(string[] args)

        {

            Cachorro c = new Cachorro();

            Gato g = new Gato();

            Jacare j = new Jacare();

            Sapo s = new Sapo();

        }

    }

​