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

Example Input: THEM: i can offer you one ball.  YOU: ha, i need the hat and 2 balls  THEM: i can give you all the balls if you give me everything else  YOU: i need another item with the balls to make that work  THEM: i can offer you the balls and one book  YOU: okay.
Example Output: Yes

Example Input: THEM: hi, can i have the balls and one book?  YOU: i need either the book or 1 ball, hats are only worth 1 for me  THEM: take the book, i`ll take 3 balls.
Example Output: Yes

Example Input: THEM: i would like 2 books. you can have the rest  YOU: deal.
Example Output:
Yes

