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

THEM: give me books and hats  YOU: no, i need all books and 1 of each book and hat.  THEM: i need all books or no deal  YOU: actually i need all hats and you can have books but i need balls  THEM: all books to me, you get rest  YOU: deal. confirming that i'm taking all hats and balls?
Yes