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

Example Input: THEM: hi, can i have all the balls?  YOU: sure, deal.
Example Output: Yes

Example Input: THEM: i would like the books and ball.  YOU: i need both books to make a deal  THEM: i can't give up the books. do you want anything else?  YOU: nothing else has any value to me  THEM: interested in splitting the books?  YOU: can't finish with 5 points : (  THEM: less than that for me.  YOU: so no deal  THEM: you sure we can't work something out?  YOU: no, the math just doesn't work  THEM: ok. sorry.
Example Output: No

Example Input: THEM: i ; d be happy with the ball and a hat  YOU: shoot that's what i'm looking for too... can i have the ball?  THEM: how about i take a hat and a book then  YOU: okay that sounds like a deal.
Example Output:
Yes

