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Basic Programming Olympiad has just finished.

30 students have participated, and their scores are sorted in a ascending order in the array "scores".

Each students want to know their final score.

The final score is calculated as below:

30 students are grouped into 6 groups of 5 students, according to their score. The 1st group gets 10 points, the next group gets 9 points, and so on.
Among the 1st group, the top-three students get an extra 3 point, and the remaining three students get an extra 2 point.
For the group 2,3,4,5 you are able to give them a bonus point by asking "How much bonus point would you give them?".
For the 6th group, 2 points are reduced.

Get the student's index n, and print out their final score as below:

(Take care that the index starts at 1!)

Enter the student's index