I tried to brute force the solution.
I tried to brute force the solution.

Trying to brute force the solution I found out the hard way, that
the execution times are huge even for relatively small numbers in
comparison to 10**1000000. So we need to find a clever algorithm
that does some tricks with the digits to discard cases.

LoniasGR/Just_NTUA_ECE_Stuff,LoniasGR/Just_NTUA_ECE_Stuff,LoniasGR/Just_NTUA_ECE_Stuff,LoniasGR/Just_NTUA_ECE_Stuff