Problem
A theater seating chart is implemented as a two-dimensional array of ticket prices, like this:
![1132_Theater Seating Chart.jpg](https://secure.tutorsglobe.com/CMSImages/1132_Theater Seating Chart.jpg)
Write a program that prompts users to pick either a seat or a price. Mark sold seats by changing the price to 0. When a user specifies a seat, make sure it is available. When a user specifies a price, find any seat with that price.