Discussion @ 1435. Financial Error @ Timus Online Judge

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Discussion of Problem 1435. Financial Error

Note (for clear problem description understanding)

Posted by Alexey Shmelev [NNSU] 14 May 2010 00:37

You are not allowed to swap digits in the last number (the sum of N numbers)

Example
-------
Input:
2
11
20
13
Output:
Unrecoverable error.