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Time limit 2000/4000/4000/4000 ms. Memory limit 65000/65000/65000/65000 Kb.
Question by Ibrahim Mesecan.
TVSH
Shqip
After the new TVSH (Value Added Tax) regulation, government is
planning some changes now. There will be three types of taxes
- Medical expenses: 6%
- Educational expenses: 10%
- Others: 20%
Question:
Write a program that gets the type and amount of n expenses,
and then it calculates the total tax to be paid.
Input specification
You will be first given one integer(n).
Then, in the following n lines, you will be given 2 integers
(information for each expense):
- the type: an integer between 1 and 3 ( 1 is Medical expense, etc.)
- and the amount (base price before tax is added) an integer between 1 and 10,000
where 0 ≤ n ≤ 10,000.
Output specification
Show one number (with two digits after the floating point): total amount of tax to be paid.
Sample Input I
2
1 1000
3 500
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Sample Input II
6
3 2000
2 1100
2 400
3 900
1 1900
3 500
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Sample Output I
160
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Sample Output II
944
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Explanation for sample 1: The tax for
the first item is 60leke and the tax for the second item
is 100leke. So, the total amount of tax to be paid is 160leke.
Для отправки решений необходимо выполнить вход.
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