A sentence is a string consisting of words separated by a single space. A word represents a price if it starts with the dollar sign '$' followed strictly by one or more digits.

You are given a string sentence and an integer discount. For every word representing a price, apply a discount of discount percent and format the discounted price to exactly $2$ decimal places, prefixed by '$'.

Return the modified sentence.

Constraints:

• $1 \leq$ sentence.length $\leq 10^5$

• sentence consists of lowercase English letters, digits, ' ', and '$'.

• sentence does not have leading or trailing spaces.

• All words in sentence are separated by a single space.

• All prices will be positive numbers without leading zeros.

• All prices will have at most $10$ digits.

• $0 \leq$ discount $\leq 100$

Now, let’s take a moment to make sure you’ve correctly understood the problem. The quiz below helps you check if you’re solving the correct problem:

We have a game for you to play. Rearrange the logical building blocks to develop a clearer understanding of how to solve this problem.

Implement your solution in the following coding playground.