class MegaGreeter
  def initialize(*names)
    @names = names
    @names << "ekile" if @names.empty?
  end

  def say_hi
    @names.each { |name| puts "Iole #{name}!" }
  end

  def say_bye
    puts "Ioleu #{@names.join(', ')}. Illuthus ovaina jei."
  end

end

if __FILE__ == $0
  mg = MegaGreeter.new
  mg.say_hi
  mg.say_bye

  mg = MegaGreeter.new("Lamesu")
  mg.say_hi
  mg.say_bye

  mg = MegaGreeter.new("Namasath", "Nevetes", "Sohamat")
  mg.say_hi
  mg.say_bye
end