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: i'd really like the books but i'm pretty flexible on everything else? what are your thoughts?  YOU: sorry books are deal breakers for me if we both want the books then we cannot make a deal  THEM: books are 3 each for me. everything else is 1. so i can't so a deal without them.  YOU: so no deal just type no deal until the no deal button comes up  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal.
Output:
No