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

Ex Input:
THEM: give me the hat and books  YOU: you can have the books but, i need the hat and the balls  THEM: i need hat at least, or no deals  YOU: if you take the hat i need everything else  THEM: deal.

Ex Output:
Yes


Ex Input:
THEM: hi, i only need the hat  YOU: okay.

Ex Output:
Yes


Ex Input:
THEM: i would like both balls and the book and you can have both hats  YOU: i can not accept that deal if i can have the hats and one ball you can have one ball and the book  THEM: i will let you have the hats if i can have both balls  YOU: i need the balls as well. i was trying to split the difference. can you offer anything else  THEM: ok, how about i get one of each - one book, one hat and one ball?  YOU: that will not work for me. i need at least the hats and one ball... or both balls and the book. those are the only deals i can accept right now  THEM: ok, what about you get both hats and one ball?  YOU: okay that works for me. thank you!  THEM: ok, that leaves me one book and one ball  YOU: that's correct  THEM: deal.

Ex Output:

Yes


