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

Ex Input:
THEM: ok what do you want  YOU: books and hats and balls : x  THEM: i need hats and one other of your choosing  YOU: 1 ball then.

Ex Output:
Yes


Ex Input:
THEM: hi, i want the book and 2 balls. you can have the hats  YOU: i'm okay with the hats but i think i'd like at least one ball  THEM: thats the only thing i get points. can handle that  YOU: i'll go ahead and take the 2 hats then, you can have the rest  THEM: deal.

Ex Output:
Yes


Ex Input:
THEM: what do you need?  YOU: i would like 2 books  THEM: i would like the hats - is there anyway you can give up 1 of the books for both balls?  YOU: i would rather not i like the books  THEM: okay well then i will take the hats.

Ex Output:

No


