#!/usr/bin/env ruby


class Animal

  attr_reader :name, :age

  def initialize(name, age)
    @name = name
    @age = age
  end

end

class Dog < Animal

  def self.check_name
    puts "hello dog" if name =~ /perla/
  end

end

dog = Dog.new("perla", 7)

puts dog.name
dog.check_name