#include <bits/stdc++.h>
using namespace std;
int main()
{
double n;
while (cin >> n)
{
while (n > 18) n /= 18;
if (n <= 9)
cout << "Stan wins." << endl;
else cout << "Ollie wins." << endl;
}
}
原文：http://www.cnblogs.com/NWUACM/p/6711387.html