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RGB7316 - Гурван тооны ХБЕХ

Өгөгдсөн 3 натурал тооны хамгийн бага ерөнхий хуваагдагчийг (ХБЕХ) ол.

Input

Нэг мөрөнд 3 натурал тоо зайгаар тусгаарлагдан өгөгдөнө. Тоонууд 1200-аас ихгүй.

Output

ХБЕХ

Example

Input:

4 6 18

Output:

36


Added by:Bataa
Date:2013-01-14
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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