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

Ex Input:
THEM: i can offer 1 book and 1 ball  YOU: deal.

Ex Output:
Yes


Ex Input:
THEM: i would just like the book you can have the rest  YOU: ok one book  THEM: deal  YOU: thank you.

Ex Output:
Yes


Ex Input:
THEM: i'd like 1 book and 2 hats please  YOU: ok do it.

Ex Output:

Yes


