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

Example Input: THEM: i'd like the books. YOU: deal.
Example Output: Yes

Example Input: THEM: i'd like a basketball and a book. YOU: i can do basketball and you get the rest or the opposite. i'll take the rest and you get ball. THEM: can't spare a book? YOU: ball is 5 points for me. everything else is 5 points together. i don't deal for less than 5 / 10. THEM: ok, take the ball.
Example Output: No

Example Input: THEM: give me hat and ball YOU: no can do. i'll take the hat and books. you take the ball. THEM: ball worth little, gimme hat and 2 books YOU: you can have the ball. i'll take the hat and books. THEM: no deal YOU: ok. i'll take the hat and two books. you take the ball and a book. THEM: deal YOU: deal!
Example Output:
Yes