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

Ex Input:
THEM: can i get 2 hats, 1 ball, and the book. YOU: no deal. i need the book and one ball. THEM: no deal i need the book. YOU: i need the book or i can not make a deal. THEM: you take the book, i get the rest? YOU: yes, deal. thank you.

Ex Output:
Yes

Ex Input:
THEM: you take the hats, i get the book and the balls YOU: oooo. can't do that. how about you take the book and a hat? THEM: i can't make a deal with out the book and both balls YOU: i can't do that deal. the hats have no value to me. THEM: then take just the balls, i have to have the book YOU: ok. you want the book and a hat? i'll take the balls and a hat? THEM: no the hats mean nothing to me, no deal YOU: i'm taking the balls and you're taking the book. want to split the hats? THEM: i can't do that YOU: you want the book and both hats? THEM: yes YOU: ok. i can do that.

Ex Output:
Yes

Ex Input:
THEM: i'd really like both books. what are you looking at? YOU: you get two balls and i keep the rest THEM: the books are the only things that have value for me, so i can't make a deal without them. YOU: so we got ourselvs a no deal, keep sending message until the no deal sign comes THEM: no deal YOU: no deal 7 THEM: no deal YOU: no deal THEM: no deal YOU: no deal.

Ex Output:
No