Processing

The program should compute the average of all ratings, considering the sum of all ratings divided

by the total number of votes.

Output

The program should print out a single line with the value of average viewer rating. The output has

the following format:

The average rating is: X

where X is the value of average viewer rating. It should be rounded to two decimal places.

Examples

Input Output

$10$

$4124533213$

The a