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

Ex Input:
THEM: i would like one of each object. YOU: no balls THEM: so the book and one hat? YOU: yes i think thats fair.

Ex Output:
Yes

Ex Input:
THEM: i would like to keep the books YOU: ok if i can have the hats and the ball.

Ex Output:
No

Ex Input:
THEM: hey, how about i give you a book and ball? YOU: i like the ball, but i'd prefer hats over books THEM: ok. 1 hat and 1 ball? YOU: i'll take a deal where i get 1 hat and 1 ball, thanks.

Ex Output:
Yes