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

Example Input: THEM: can i have the book and a hat?  YOU: sure!
Example Output: Yes

Example Input: THEM: i just want the book and 2 hats  YOU: i can give you 2 hats  THEM: how about the book and the balls?  YOU: ill offer you 1 hat  THEM: nope. i need the book. you can have the rest  YOU: ill offer you no book no hats no balls  THEM: no deal. i get nothing? i want the book.  YOU: you get nothing  THEM: no deal  YOU: no book for you.
Example Output: No

Example Input: THEM: i need the hat and book  YOU: i would like the book. how about i take both balls and you can get both hats?  THEM: you take the balls, i get the rest  YOU: sounds good.  THEM: ok deal.
Example Output:
Yes

