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

Example Input: THEM: i would really like the book  YOU: i rather like the book also. how about i get the book, you get the ball and we split the hats evenly.  THEM: i don't want the hats, i only want the book  YOU: yes, i want the book also. i'll let you have the ball and three hats.  THEM: i don't want the ball  YOU: we seem to have reached an impasse then. i need that book.  THEM: i need the book also.  YOU: best offer i can make is i get the book, you get everything else.  THEM: sorry, but that doesn't work for me. i only want the book  YOU: i'm afraid we won't be able to reach a deal then.
Example Output: No

Example Input: THEM: i'm not athletic you i don' need the ball, but i will take the books and a hat  YOU: you can have both hats if i can have a book  THEM: i need both of the books. you can have the ball and both hats though.  YOU: ok deal, thanks.
Example Output: Yes

Example Input: THEM: i want the book and three hats  YOU: yeah no book*  THEM: then everything else for me  YOU: i need one ball please  THEM: everything else for me if you take the book  YOU: ok two hats  THEM: everything else to me if you want the book  YOU: fine.
Example Output:
Yes

