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

THEM: i need a book and 3 balls if possible  YOU: there's only one ball.  THEM: okay 1 ball 1 hat and a book?  YOU: i need the ball as well, and a hat.  THEM: how bout 2 books 1 hat?  YOU: there's only one book as well. where are you seeing all these books and balls?  THEM: i am given a differnt amoutn of items so i cannot tell what you have  YOU: that's impossible. the values might be different, but we should each see the same items. i see 1 book, 3 hats, and 1 ball.  THEM: look to the left it says it under "diveid these items between you and your partner". what is least valuble to you?  YOU: the hats are worth 0 to me.  THEM: okay i will take all the hats and you keep everything else  YOU: ok deal.  THEM: how many hats are there?  YOU: 3  THEM: okay deal.
Yes