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

Example Input: THEM: the ball and two books for me ; the hat and a book for you... whaddya say?  YOU: i don't want books, so how about all the books for you and the rest to me  THEM: i want that ball  YOU: i take the ball, and you get the rest?  THEM: its the same deal for me... the hat is 0. but i can live with just the books.
Example Output: No

Example Input: THEM: balls and hats for me  YOU: can i have one ball and the book?  THEM: yes deal.
Example Output: Yes

Example Input: THEM: i would like 2 books and 2 balls  YOU: i could not give up both books  THEM: how about one book and 3 balls  YOU: i would need the hat, one book, and one ball  THEM: deal.
Example Output:
Yes

