using System;

public class Program

{

    public static void Main()

    {

        Dog d = new Dog(8, 11.1, "Golden Retriever");

        d.Bark();

        int dogAge = d.DogAge();

        Console.WriteLine("My dog is {0}", dogAge + " in human years.");

    }

    class Dog{

        private int age;

        private double weight;

        private String breed;

        public Dog(int a, double w, String b){

            this.age = a;

            this.weight = w;

            this.breed = b;

        }

        public void Bark(){

            Console.WriteLine("Bork, Bork!");

        }

        public int DogAge(){

            return this.age * 7;    

        }

    }

}