gistfile1.txt

class A
  attr_accessor :value
  
  def initialize v=0
    @value = v
  end
  
  def + other
    A.new( @value + other.value)
    
  end
  
  def to_i
    @value
  end
end



a=A.new(5)
b=A.new(3)
c=A.new(2)

puts (a+b+c).to_i