裏ワザ
Merge branch 'master' of https://github.com/takyam-git/pjeuler
Merge branch 'master' of https://github.com/takyam-git/pjeuler
Merge branch 'master' of https://github.com/takyam-git/pjeuler
108できたけど福本くんより遅い(´・ω・｀)