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

Ex Input:
THEM: hi  YOU: hello..... i'd lke the 3 balls and you can hve the books and hat if that is ok  THEM: okay. i can do that.

Ex Output:
Yes


Ex Input:
THEM: may i have the hat a book and a ball?  YOU: if i give up the hat, i need the remaining items. however if you're wiling to give me the hat and 1 of the other items, you can have the rest  THEM: i'll give you the hat and one tof the basketballs  YOU: deal.

Ex Output:
Yes


Ex Input:
THEM: you take all the hats  YOU: i'd like the ball. you can have the book.  THEM: i need the book but nee ball too  YOU: i will settle with just the hats then.  THEM: ok i get book and ball deal?  YOU: deal.

Ex Output:

Yes


