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RGB7205 - n!

n! ол.

Input

Int төрлийн бүхэл тоо өгөгдөнө.

Output

Өгөгдсөн тооны факториал.

Example

Input:
5

Output:
120

Added by:Bataa
Date:2011-06-12
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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2023-12-05 09:28:48


Last edit: 2023-12-05 09:29:23
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