#include<bits/stdc++.h>

   

using namespace std;

   

int main()

{

    double n;

    int cases;

    int cont=0;

   

    while(cin>>n){

    cont=0;

    for(cases=1;;)

        {

           

        if((cases%2)==1)

        {

            n/=9;

            cont++;

           

        }

        else

        {

            n/=2;

            cont++;

        }

       

        if(n<=1)

        {

         break;   

        }

          cases++;

        }

        if(cont%2==1)

        printf("Stan wins.\n");

        else

        printf("Ollie wins.\n");

   

    }

    return 0;

    }