# include <stdio.h>

# include <string.h>

# include <iostream>

# include <algorithm>

// # include <bits/stdc++.h>

using namespace std;

typedef long long ll;

typedef long double ld;

typedef unsigned long long ull;

const int M = 5e5 + ;

const int mod = 1e9+;

# define RG register

# define ST static

double n;

int main() {

    while (cin >> n) {

        while(n > ) n /= ;

        if(n <= ) puts("Stan wins.");

        else puts("Ollie wins.");

    }

    return ;

}