#include <iostream>
#include <string>
#include <utility>
#include <set>
using namespace std;
int main() {
int n, i = 0;
cin >> n;
if(n <= 9){
cout << "Stan wins.";
return 0;
}
while(n % 2 != 1){
n /= 2;
i++;
}
if(i % 2 == 1){
cout << "Ollie wins.";
}
else{
cout << "Stan wins.";
}
return 0;
}
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