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 book and basketball you can have the hats  YOU: i would like the basketball and one of the hats as a counteroffer  THEM: deal  YOU: agree.

Ex Output:
Yes


Ex Input:
THEM: i can offer all 3 balls  YOU: i need the book and hat  THEM: i can't give the book, i'll offer the hat and 2 balls  YOU: okay.

Ex Output:
Yes


Ex Input:
THEM: i need 3 hats and the book.  YOU: how about you take the book and one hat?  THEM: nope, book and 2 hats.  YOU: deal.

Ex Output:

Yes


