As far as I understand the tasks the 12 digit number should be prime.
Can it have leading zeros?
Can the number 646310000033 be a corect output for the sample input?
And how to format long long (was it "%I64" ?)?
 Rostislav

Edited by author 19.02.2005 15:48

got AC +17...

it SHOULD have leading zeros.
L CAN be 0
digits CAN be separated by blanks.
ALL IS MY IMHO

The problem was in the formating
(always forget that the compiler is differnt from my own).

i have the same question as you，why is 64631000033 not the right answer，can you tell me，please？