Issue#115 prime count

New file:   kanpe/Makefile
New file:   kanpe/answer.cc
New file:   kanpe/input
New file:   kanpe/input2
New file:   kanpe/output
New file:   kanpe/output2
Merge pull request #119 from ie-ProCon/issue#115_prime_count_kanpe

Issue#115 prime count kanpe