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50440 - Call Center

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Time limit 2000/4000/4000/4000 ms. Memory limit 65000/65000/65000/65000 Kb.
Question by Ibrahim Mesecan.

Call Center

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.

Sample Input I
  5
  125
  130
  136
  143
  106
Sample Input II
  10
  146
  80
  80
  190
  151
  199
  193
  144
  153
  101
Sample Output I
  535
Sample Output II
  1185


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