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

Ex Input:
THEM: i would like the book and the hat. YOU: ok.

Ex Output:
Yes

Ex Input:
THEM: i'll take the hats, you can have everything else YOU: deal.

Ex Output:
Yes

Ex Input:
THEM: give me hat and balls YOU: that's a low deal for me THEM: gimme hat and 2 balls YOU: no way THEM: gimme hat and 2 books YOU: i cant give you the hat THEM: then we no deal YOU: we have no deal then THEM: yup YOU: no deal.

Ex Output:
No