#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;
}