using System;

public class Program

{

    public class Dog

    {

        public string Breed { get; set; }

        public string Size { get; set; }

        public string Colour { get; set; }

        public int Age { get; set; }

        public Dog(string breed, string size, string colour, int age)

        {

            this.Breed = breed;

            this.Size = size;

            this.Colour = colour;

            this.Age = age;

        }

    }

    public static void Main()

    {

        var dog1 = new Dog("Goldendoodle", "medium", "ivory", 10);

        Console.WriteLine(dog1.Breed);

    }

}