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

Example Input: THEM: all balls to me, the rest to you  YOU: sure.
Example Output: Yes

Example Input: THEM: i'll take all the hats and the book.  YOU: that's kind of a bad deal for me. how about i get the book and you get all the hats?  THEM: ok.
Example Output: No

Example Input: THEM: let's go 50 / 50... i want two books and one ball  YOU: how about i take both basketballs and you have the rest?  THEM: kool. good deal.
Example Output:
Yes

