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

Example Input: THEM: i'd like the ball and 1 book.  YOU: how about you just get 1 ball?  THEM: i'd really like 1 book and the ball, please.  YOU: ok you can have 1 ball and 1 book.  THEM: thank you.
Example Output: Yes

Example Input: THEM: hello i would like the ball, the hat, and 2 books.  YOU: no. how about i get the ball and you get the rest.  THEM: no. i will take the ball and 1 book.  YOU: no it has to be even. i'll take the ball and you get everything else. that seems fair.  THEM: i will take the ball and no books.  YOU: you must be seeing different values than me. i want the ball.  THEM: then it seems we have reached an impasse.
Example Output: No

Example Input: THEM: i will give you 3 books for all your hats  YOU: i'll take the books and the ball then  THEM: so then if you want 1 ball i will give you that and 2 books for all your hats.
Example Output:
No

