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RGB7030 - Гипотенуз

Тэгш өнцөгт гурвалжны катетууд нь өгөгдсөн. Гипотенузыг ол. Бодит тоон бодлого.

Input

Катетууд нэг мөрөнд зайгаар тусгаарлагдан өгөгдөнө.

Output

Гипотенуз. Таслалаас хойш нэг оронгийн нарийвчлалтай хэвлэ.

Example

Input:
3.0 4.0

Output:
5.0

Added by:Bataa
Date:2013-01-15
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:NCSHARP C++ 4.3.2 CPP CPP14 JULIA PYPY3

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