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

Example Input: THEM: i just want one ball and one book. you can have the rest.  YOU: that is a deal.
Example Output: Yes

Example Input: THEM: i need both balls you can have the rest  YOU: sounds good to me. deal.  THEM: great.
Example Output: Yes

Example Input: THEM: i'd like the book and either 2 hats or two balls.  YOU: you can have all the hats and balls. i'll take the book  THEM: ok.
Example Output:
Yes

