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RGB7309 - Палиндром эсэх

Өгөгдсөн тоо палиндром бол YES үгүй бол NO гэж хэвлэ. Палиндром тоо гэдэг нь тонгорогсон тоотойгоо тэнцүү тоог хэлнэ.

Input

Бүхэл тоо өгөгдөнө.

Output

Палиндром бол YES үгүй бол NO гэж хэвлэ.

Example

Input:
12321

Output:
YES

Added by:Bataa
Date:2013-01-09
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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