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

Example Input: THEM: i'd like a ball and 2 books and you can have all the hats. deal?  YOU: okay deal  THEM: great confirming i get 1 ball and 2 books.
Example Output: Yes

Example Input: THEM: if i can have the book and the ball you can have the hats  YOU: i have to have the ball  THEM: you can have the ball if i can have everything else  YOU: how about the ball and 1 hat  THEM: okay that works.
Example Output: Yes

Example Input: THEM: what would you like  YOU: i'd love the hats.  THEM: you can have the hats if i can have teh rest  YOU: alrighty then.  THEM: deal.
Example Output:
Yes

