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Optimize me! DD + ceil

Description:

Format input data into two decimals float numbers.

Adittionally You must perform round half up ( ceil ).

If provided value is null it's value should be 0.0

For this puzzle you should optimize a poorly coded solution. If your results matches and are faster by at least 150ns than the given code for each test you will succed.

Examples

Input


"0"

Output


"0.00"

Input


null

Output


"0.00"

Input


"0.005"

Output


"0.01"
Refactoring

Stats:

CreatedMar 28, 2016
PublishedMar 29, 2016
Warriors Trained248
Total Skips68
Total Code Submissions380
Total Times Completed48
Java Completions48
Total Stars6
% of votes with a positive feedback rating72% of 16
Total "Very Satisfied" Votes8
Total "Somewhat Satisfied" Votes7
Total "Not Satisfied" Votes1
Total Rank Assessments13
Average Assessed Rank
7 kyu
Highest Assessed Rank
5 kyu
Lowest Assessed Rank
8 kyu
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