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

Ex Input:
THEM: i would like the hats and the balls.  YOU: you can have balls, but i would like 1 hat  THEM: can i have both hats if you take everything else?  YOU: balls have no value to me  THEM: ok, so you want books and one hat?

Ex Output:
Yes


Ex Input:
THEM: i would like the hat and the balls.  YOU: sounds good! thanks.

Ex Output:
Yes


Ex Input:
THEM: you can have the 3 balls  YOU: i need the balls and either one book or the hat... would that work for you?  THEM: i can give you the balls and 2 books if i can keep the hat  YOU: okay that works for me. thank you!  THEM: deal.

Ex Output:

Yes


