require 'date'
 
class Santo
  def is_awesome?
    true
  end
  
  def birthday_today?
    today = Date.today
    today.month == bday.month && today.day == bday.day
  end
end
 
class Michael < Santo
  def bday
    Date.new(1990,8,10)
  end
end
 
class Jerod < Santo
  def tell(person,something)
    puts"Yo #{person.class}, #{something}"
  end
end
 
michael = Michael.new
jerod   = Jerod.new
 
if michael.birthday_today? && michael.is_awesome?
  jerod.tell(michael,"Happy Birthday!")
end