#25985: 下面那篇解題報告會吃SE
vic20050418@gmail.com
(Wen Vic)
if (n % 9 == 0 && n > 0) cout << "9\n";
else cout << n % 9 << "\n";
if (n % 9 == 0 && n > 0) cout << "9\n";
else cout << n % 9 << "\n";