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

Example Input: THEM: both books to me, the rest to you YOU: deal.
Example Output: Yes

Example Input: THEM: i will take the basketball and book. you take the hats YOU: i need ball THEM: you take the ball and i will take the rest YOU: ok.
Example Output: Yes

Example Input: THEM: hi... id like both hats and a ball YOU: one ball THEM: yes two hats and one ball for me, a ball and the book for you YOU: no deal THEM: care to counter or make an offer? its not my job. give me two hats and we'r done YOU: ok you get two hats THEM: deal.
Example Output:
Yes