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

Example Input: THEM: i would like the book and 1 hat and 1 ball  YOU: i can not make that deal. i need the book and the hats you can have the balls  THEM: no can do i need the book and the balls if you want the hats  YOU: i need the book the most and at least one other item  THEM: yeah the book is really non negotiable. so if you won't budge on the book then there will be no deal  YOU: no deal.  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal.
Example Output: No

Example Input: THEM: what do you want?  YOU: the books  THEM: ok  YOU: ok.
Example Output: Yes

Example Input: THEM: 2 hats 1 ball  YOU: i only have 1 hat. you can have it if i can have 2 books and 2 balls  THEM: 1 ball 1 book  YOU: no. 3 books 1 ball  THEM: 1 ball 2 books  YOU: fine.
Example Output:
No

