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

Input: Consider Input: THEM: i'd like the books.  YOU: deal.

Output: Yes


Input: Consider Input: THEM: i need only two books and you can keep everything else  YOU: okay sounds fair.

Output: Yes


Input: Consider Input: THEM: i'll take a book and a ball and you can have the rest if that works for you  YOU: deal.


Output: Yes


