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

Ex Input:
THEM: if i can have all of the hats and one ball you can have the book and a ball YOU: ok THEM: okay great!

Ex Output:
Yes

Ex Input:
THEM: i just want the balls YOU: one ball THEM: no deal YOU: no deal THEM: no deal YOU: ok how about you get both balls THEM: deal.

Ex Output:
Yes

Ex Input:
THEM: i need book and both hats YOU: you can have the hats, but i need the book and at least one ball then THEM: ok accepted.

Ex Output:
No