Reverse Tax

In the country of NewerLand, which is a recently established country,
even later than NewLand but not as late as NewestLand, the Supreme
Ruler was finally forced to introduce some taxes to support all the
state spending.  The Ruler thought hard for a long time and came up
with the following novel tax system:

Each citizen will sum up all his earnings, and:
	On the first $10000 he'll pay 19%. 
	On the next $15000 he'll pay 28%.
	On any amount above $25000 he'll pay 33%. 
Because of the well known generosity of the Supreme Ruler, the tax is
rounded down to whole dollars.

You're working for NSA (NewerLand Statistics Agency) and your boss
told you that he'd like to make a report on citizen's incomes in the
last year.  In order to do that you're provided with data from the
revenue agency. Given the amount of tax each person has paid you need
to compute the biggest income that person might have had.

Input

In the first line of input, there will be a single positive integer N
smaller than a thousand.  That will be the number of test cases that
will follow.  Each test case will consist of a single line in the
following format:
[first name] [surname] [tax]
where [first name] and [surname] will be strings of lowercase letters
('a'-'z'), and [tax] will be a positive integer equal to the amount of
tax the person has paid (in dollars).

Output

For each input line, you need to output the maximum income that
results in the tax amount in the following format:
[dollars].[cents]
You are guaranteed that the correct output value will not be bigger
than ten billion dollars.

Sample input

4
john dolly 15
maximilan buffet 1234
tracy chapman 10000
monika chojnacka 117002

Sample output

84.21
6499.99
36821.21
361069.69