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: hello i need the ball and some books please YOU: hi... the ball i can't do. i can give 3 books and a hat THEM: don't need the hats - i can not give up the ball YOU: if i cede the ball i need everything else.
Output:
No