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

Example Input: THEM: what do you desire? YOU: i want everything but a ball. but i'll also go for three books. THEM: deal YOU: which one? THEM: 3 books.
Example Output: Yes

Example Input: THEM: if i can have the book and the ball you can have the hats YOU: i have to have the ball THEM: you can have the ball if i can have everything else YOU: how about the ball and 1 hat THEM: okay that works.
Example Output: Yes

Example Input: THEM: can i have the ball, 1 hat and 1 book? YOU: deal.
Example Output:
Yes