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

Ex Input:
THEM: i would like books and hat  YOU: deal.

Ex Output:
Yes


Ex Input:
THEM: what would you like today?  YOU: a ball, 2 hats, and a side of slaw  THEM: i just moved to texas and look like a yankee. i really need the hats but can negotiate the other  YOU: one hat a piece, ball goes to me lone with one book  THEM: if i give up a hat i have to have the ball. i really hate reading so can give up those  YOU: deal  THEM: ok. so i get 1 ball and i hat.

Ex Output:
Yes


Ex Input:
THEM: i would like the books, you can have the rest  YOU: i can give you 1 book if i can have the rest  THEM: i would need a ball and a book then  YOU: i need both th eballs.. ok i can give you the 2 books if i can have the rest like you said  THEM: deal  YOU: deal.

Ex Output:

Yes


