You will be given a definition of a task first, then some input of the task.
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.

THEM: hi  YOU: hello. can i please have the hat and books?  THEM: you can have the books, if i can have the hat  YOU: how about the hat and two books for me and a book and ball for you?  THEM: ok, that sounds good  YOU: cool, thank you.  THEM: you are welcome.
Output:
Yes