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

Ex Input:
THEM: so i get 1 book, two of the hats?  YOU: sounds fair  THEM: ok.

Ex Output:
Yes


Ex Input:
THEM: can i get the hats you get ball and books.  YOU: sounds good to me  THEM: okay deal.

Ex Output:
Yes


Ex Input:
THEM: hi i would like the ball and books. you can have the hats  YOU: i want the hats and one book to be fair on my side.  THEM: sorry, thats the best i can do. i cant give up more points than what i already am  YOU: i understand, no deal then sorry  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal.

Ex Output:

No


