Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i want everything.  YOU: how about no. i`ll give you one hat and one ball  THEM: i want the book. you can have one ball and two hats.  YOU: no thanks, i don`t have any points like this. i can give you the 2 hats and one ball. this is split fair  THEM: i don't want any hat. they have no point for me.  YOU: then give me 2 hats and one book. this is split fair by my side  THEM: give me the book and one ball.  YOU: thats like 2 points for me. no deal  THEM: give me the ball and you get everything else.
Output:
No