Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.

Example Input: THEM: both hats, you get the rest  YOU: i can do that if you include one book.  THEM: so 2 hats and a book for me?  YOU: sorry, meant exchange a book for a hat in your initial offer.  THEM: hats i like alot, they fit perfect  YOU: i bet they look good on you, but my head is cold and needs a hat.  THEM: ok, how about 1 hat a piece, but i get 2 books and the ball  YOU: let's split the hats, and then you can have any two books you want and i keep my ball.  THEM: deal  YOU: ok.
Example Output: Yes

Example Input: THEM: no deal button not appearing  YOU: we haven't even started. i want the ball and both hats.  THEM: i must have the ball.  YOU: i can't give up the ball either.  THEM: no deal  YOU: agreed. no deal.  THEM: but the no deal button isn't available.  YOU: i think we just keep chatting and it'll eventually pop up.  THEM: unfortunate waste of time.  YOU: agreed. no deal.
Example Output: No

Example Input: THEM: i would like the balls and the hat or the balls and the books.  YOU: i need a hat and a ball and you can have a ball and the 2 books  THEM: deal.
Example Output:
Yes

