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

Example Input: THEM: hi, i just want the 2 balls and 2 books  YOU: sorry no, i would like the 3 books and 2 hats  THEM: does not work for me. i really need 2 of each or it`s not fair on my side  YOU: the balls i have no issue with, but if you take 2 books then its unfair on my side  THEM: then no deal. sorry  YOU: okay, no deal  THEM: ok  YOU: you need to keep typing no deal til the green button appears  THEM: no deal  YOU: still no deal.
Example Output: No

Example Input: THEM: i will give you a hat, a book and the ball.  YOU: i only want the ball, you can have everything else  THEM: fair enough to me.
Example Output: Yes

Example Input: THEM: i can't part with the ball at all.  YOU: fine then i'll take ther est.  THEM: but i'd also like the book.  YOU: okay!
Example Output:
Yes

