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NEXTPREV - The next and the previous palindrome
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Input
The input consist of unknown number (lower than 100) of tests. Each test is a line with two integers x and y (0<=x<=2*109, length of y is at most 1000).
Output
For each test You should print:
- the next palindrome of y - if x is even
- the previous palindrome of y - if x is odd
Example
Input:
10 9029
11 9029
Output:
9119
9009
Note: Leading zeroes don't occur in the input and shouldn't occur in the output.
| Added by: | Piotr Kąkol |
| Date: | 2011-06-13 |
| Time limit: | 1.620s-3.286s |
| Source limit: | 50000B |
| Memory limit: | 1536MB |
| Cluster: |
Cube (Intel G860)
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| Languages: | All except: SCM qobi |
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