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

Ex Input:
THEM: i'd like the book, you can have the rest YOU: i need the book and two hats THEM: you can have all the hats, and the balls YOU: ok THEM: thanks.

Ex Output:
No

Ex Input:
THEM: hello, i need to obtain the hat and am willing to give you the books and balls in return. YOU: yucky deal, but i suppose its fair enough.. deal.

Ex Output:
Yes

Ex Input:
THEM: gimme the ball and a book YOU: no can do, i need all of the books. THEM: gimme ball and hat then YOU: ok you can have the ball and the hat.

Ex Output:
Yes