After his trip, Mr. Tafaj decided open a call center in his town. He wants the system to calculate the results automatically. The rates change according to the minute you talked:

• The first 2 minutes is 100 Leke
• Every additional 10 seconds is 5Leke

Question:
Write a program that is going to read n phone call times (in seconds). And then, the program will calculate the total amount collected from all users.

Input specification
You will be given an integer number (n) where 0 ≤ n ≤ 30000. Then, the following n lines will contain the talk time (in seconds) for n people. Every phone call can be an integer between 1 and 2000.

Output specification
Calculate and show the amount due from the user.