Fifa And Fafa

easy
Question Solve Solutions 
<a href="https://codeforces.com/contest/935/problem/C">https://codeforces.com/contest/935/problem/C</a>

Input Format

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Output Format

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Constraints

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Notice

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Example

Input
5 3 3 1 1
Output
3.7677669529663684 3.7677669529663684 3.914213562373095
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Four Segments
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Rectangles

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