HHC 2021 Programming Contests - Surprise !

[Jeff O.]

(10-20-2021 12:50 AM)Gene Wrote:  Positive integers are > 0. :-) In my rules.

Well, yes, the palindromes were defined as positive integers. But for the input numbers, the rules only stated that they had to be less than 10^7. Zero and all negative numbers are less than 10^7...