1 #include<iostream>
 2 #include<string>
 3 #include<cstdio>
 4 #include<vector>
 5 #include<queue>
 6 #include<stack>
 7 #include<algorithm>
 8 #include<cstring>
 9 #include<stdlib.h>
10 using namespace std;
11 int p[101000],cnt;
12 int main(){
13     int n,m;
14     while(cin>>n>>m,n+m){
15         if(n>m) swap(n,m);
16         if(m%n==0){
17             cout<<"Stan wins"<<endl;continue;
18         }
19         cnt=0;
20         while(m%n!=0){
21             p[cnt++]=m/n;
22             m-=m/n*n;
23             if(n>m) swap(n,m);
24         }
25         int can=0,ps=-1;
26         for(int i=0;i<cnt;i++)
27           if(p[i]>1){
28             ps=i;break;
29           }
30         if(ps==-1) {
31             if(cnt%2) cout<<"Ollie wins"<<endl;
32             else cout<<"Stan wins"<<endl;
33         }
34         else{
35             if(ps%2) cout<<"Ollie wins"<<endl;  //第二个首先掌握主动权
36             else cout<<"Stan wins"<<endl;
37         }
38     }
39 }