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

Ex Input:
THEM: i want the balls. i can offer you the rest. YOU: can i have 1 ball and give you a book for it? THEM: 2 balls and a book to me? if so that works for me.

Ex Output:
Yes

Ex Input:
THEM: i would like 2 balls, 2 hats and 1 book YOU: no. you can have the balls and 1 hat THEM: i can not have 1 book? YOU: no sorry i need both books THEM: you can have both books if i can have both balls and both hats YOU: how about i get both books and 1 hat? THEM: then i would like one book... YOU: sorry, no deal THEM: i get 2 balls, 1 hat 1 book YOU: no deal THEM: you can have both books and 1 hat YOU: deal.

Ex Output:
Yes

Ex Input:
THEM: i'd like 1 of each please? YOU: no. i would like 3 books and 1 hat THEM: i'll take 1 book and 1 ball, you ca have the rest. YOU: deal.

Ex Output:
Yes