#include<bits/stdc++.h>
using namespace std;

#define  fr(i,a)  for(i=0;i<a;i++)
#define  tc(i,t)  for(i=1;i<=t;i++)
#define  cln(x)   memset(x,0,sizeof(x))
#define  clr(x)   memset(x,-1,sizeof(x))
#define  read()   freopen("input.txt","r",stdin)
#define  write()  freopen("output.txt","w",stdout)
main()
{
    unsigned int n;
    while(cin>>n)
    {
        int cnt=0;
        while(n>1)
        {
            cnt++;
            if(cnt&1) n=ceil(n/9.0);
            else n=ceil(n/2.0);
        }
        if(cnt&1) puts("Stan wins.");
        else puts("Ollie wins.");
    }
    return 0;
}