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RGB7314 - ХБЕХ

Өгөгдсөн хоёр натурал тооны хамгийн бага ерөнхий хуваагдагчийг ол.

Input

Нэг мөрөнд хоёр натурал тоо зайгаар тусгаарлагдан өгөгдөнө.

Output

ХБЕХ

Example

Input:
9 15

Output:
45

Added by:Bataa
Date:2013-01-11
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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