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

Example Input: THEM: i'd like hat and books.  YOU: hats are worth three for me so no.  THEM: then i'll take books. you can have the rest.
Example Output: Yes

Example Input: THEM: can i have ball and 2 hats?  YOU: yes to the ball and even a book, but i must take umbrage at relinquishing any of the hats  THEM: book is 0 for me. how about ball and 1 hat?  YOU: it is not ideal but a reasonable request and i will agree  THEM: thanks.
Example Output: Yes

Example Input: THEM: i would like the 2 hats.  YOU: you get hats i get the rest. deal  THEM: okay i'll take teh 2 hats, you get the 2 books and the ball.  YOU: deal.
Example Output:
Yes

