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ABR0068A - Палиндром

n натурал тоо өгөгдөв (n≤9999). n тоог дөрвөн цифртэй гэж үзээд палиндром (хөрвөдөг) эсэхийг нь шалга. Дөрвөн оронтой палиндром тооны жишээ: 2222, 6116, 0440.

Input

n натурал тоо өгөгдөнө

Output

Хэрэв уг тоо палиндром бол YES, үгүй бол NO гэсэн үг хэвлэнэ

Example

Input:
100

Output:
NO

Нэмсэн:sw40
Огноо:2007-10-29
Хугацааны хязгаарлалт:1s
Эх кодын хэмжээний хязгаарлалт:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Програмчлалын хэлүүд:Бүгд дараах хэлүүдээс бусад: ASM32-GCC MAWK BC C-CLANG NCSHARP CPP14 CPP14-CLANG COBOL COFFEE D-CLANG D-DMD DART ELIXIR ERL FANTOM FORTH GOSU GRV JS-RHINO JS-MONKEY JULIA KTLN NIM NODEJS OBJC OBJC-CLANG OCT PERL6 PICO PROLOG PYPY PYPY3 PY_NBC R RACKET RUST CHICKEN SQLITE SWIFT UNLAMBDA VB.NET
Эх сурвалж:Абрамов С. А.

hide comments
2010-04-04 22:33:22 Piotr KÄ…kol
I don't understand.
At first I was elated that I know what to do and now I got WA (Wrong Answer).
I thought the task is to check whether a number is a palindrome or not.
Please give me some tricky tests.
For:
040
4
1345431
15551
I print YES, and for:
0005
400
I print NO.
2009-09-21 14:27:15 sw09d400
0440 n natural too bis bn shd.
2009-09-12 10:32:01 Dunno
yadag bodlogo ve ??
2009-08-19 07:13:44 NUKE[MKC]
Zov bodolt yavuulaad baihad buruu gd bnshd!
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