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

Example Input: THEM: can i have your basketball  YOU: no may i have your hat?  THEM: you can have my hats if i get the basketball  YOU: that is a deal!  THEM: so 3 hats for the basketball  YOU: perfect.
Example Output: No

Example Input: THEM: i'll take the basketball and both books.  YOU: deal.
Example Output: Yes

Example Input: THEM: i want the book and hat you can have the balls  YOU: i need book and one ball  THEM: i get the book and you take the rest  YOU: deal.
Example Output:
Yes

