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

Ex Input:
THEM: i'd like the book and balls you keep all 3 hats.  YOU: i need the balls. you can have the rest.  THEM: ok.

Ex Output:
Yes


Ex Input:
THEM: i want three hats and one ball please  YOU: sorry, i need 3 hats and one book or ball  THEM: no then we need to share i can take 2 hats and 1 book and 1 ball?  YOU: that`s not fair sharing  THEM: well give me three hats and take the rest then  YOU: that`s 4 points for me. totally not fair  THEM: its same for me i don't have any use for it as well then no deal i guess  YOU: then no deal sorry.

Ex Output:
No


Ex Input:
THEM: i need the hats and 1 ball  YOU: how about one hat and both balls?  THEM: i really need both hats, you can have the rest  YOU: okay thats fair  THEM: great.

Ex Output:

Yes


