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

Ex Input:
THEM: i'll take 3 books and a ball  YOU: just take all the books i take the rest  THEM: ok  YOU: ok.

Ex Output:
Yes


Ex Input:
THEM: give me one of each  YOU: cant do. how about you keep all of the books, and ill have the hats and balls.  THEM: gimme books and one ball  YOU: can i please keep the ball and hat?  THEM: which is worth more?  YOU: they have different values for us.  THEM: i know, im asking whatever is bigger for you between hat and ball  YOU: i cant reveal that information.  THEM: you can, its allowed, but you don't have to  YOU: i would prefer to not do that.  THEM: thats fine, ya the button.

Ex Output:
No


Ex Input:
THEM: i need the books and the hat you can have the balls  YOU: i need both balls and at least one book. you can have the hat.  THEM: so i get 2 books and the hat  YOU: yes and i get a book and both balls.  THEM: okay.

Ex Output:

Yes


