#include<iostream>
using namespace std;
int main() {
int turn =1;
long double n;
while(cin>>n) {
while(1) {
n /= turn%2 == 1 ? 9.0 : 2.0;
turn++;
if(n <= 1) break;
}
switch(turn %2) {
case 0:
cout<<"Stan wins."<<endl;
break;
case 1:
cout<<"Ollie wins."<<endl;
break;
}
turn =1;
}
}