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

Example Input: THEM: i'd like 2 books and the ball  YOU: ok, so i get all the hats?  THEM: yup  YOU: works for me  THEM: ok.
Example Output: Yes

Example Input: THEM: i just want the hat  YOU: ok deal.
Example Output: Yes

Example Input: THEM: give me the books and two hats  YOU: no  THEM: counteroffer?  YOU: ill take the balls and hats  THEM: let me have 1 item and the books  YOU: you can have the books and 1 hat  THEM: ok deal.
Example Output:
Yes

