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

Input: Consider Input: THEM: i'd like 1 of each, please. YOU: i'd like the ball and a hat, rest is yours. THEM: deal.

Output: Yes

Input: Consider Input: THEM: you can have the hats and balls if i can have the book YOU: deal, i'm taking all hats and all balls and no books.

Output: Yes

Input: Consider Input: THEM: hi there. id like the balls, you can have everything else YOU: deal!
Output: Yes