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

Ex Input:
THEM: i only need the book - the rest can be yours  YOU: deal  THEM: sounds good - thank you.

Ex Output:
Yes


Ex Input:
THEM: i'd like the hats and the book.  YOU: deal.

Ex Output:
Yes


Ex Input:
THEM: i want all the hats  YOU: no deal. i need the hats as well. if i can have two hats and the ball you can have one hat and the book  THEM: no deal i need the hats don't want nothing else  YOU: same for me. no deal will be reached.  THEM: hit the no deal button  YOU: it has not populated yet.  THEM: no deal  YOU: no deal.  THEM: no deal  YOU: no deal.

Ex Output:

No


