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

Example Input: THEM: i'll take two books and a ball if that works for you?  YOU: deal.
Example Output: Yes

Example Input: THEM: i'll take the ball and a book  YOU: i will take both of your hats.  THEM: sure  YOU: great.
Example Output: No

Example Input: THEM: 2 books 1 ball for me and you keep the rest  YOU: give me the books and hats  THEM: 1 book and all hats for you  YOU: deall.
Example Output:
Yes

