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

Input: Consider Input: THEM: hello, i would like the book and 2 of the remaining items, your preference  YOU: i also need the book  THEM: what's the book worth for you?  YOU: 6  THEM: okay, it's 5 for me, so i can let you have it, but i get the rest  YOU: sounds like a deal..

Output: Yes


Input: Consider Input: THEM: what would you like  YOU: how about a book  THEM: you can have that. can i jhave the rest?  YOU: yes.  THEM: deal  YOU: ok.

Output: No


Input: Consider Input: THEM: how about we split it in half?  YOU: sure. take all the balls i'll get the rest?  THEM: okay.


Output: No


