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

Input: Consider Input: THEM: hi can i have a ball, a hat, and a book?  YOU: id go for a ball and a hat  THEM: okay.

Output: Yes


Input: Consider Input: THEM: i need the books and balls  YOU: you can have the books, but the balls no  THEM: how about books and one ball  YOU: no deal still  THEM: guess we have to click on the no deal button then  YOU: yap  THEM: yup  YOU: dont your books have any value?  THEM: yes, but the hats have zero value  YOU: so why cant i have the balls and the hats then?  THEM: 6 / 10 is too low..... 7 / 10 is safe  YOU: can i have the balls only then?  THEM: same number...... the hats have zero value.

Output: No


Input: Consider Input: THEM: i'd like 2 balls and 1 hat please.  YOU: i will let you have the balls and the books if i can have the hat  THEM: deal. i'm taking 2 balls and 1 books.  YOU: wait, on the books - do you want one or both?  THEM: sorry, i meant 2 books  YOU: ok, deal!  THEM: thanks!


Output: Yes


