#include <cstdio>
#include <iostream>
using namespace std;
int t,n,m;
int getsg(int x,int y){
if(x%y==0)return 1;
if(x/y==1)return 1-getsg(y,x%y);
else return 1;
}
int main(){
scanf("%d",&t);
while(t--){
scanf("%d%d",&n,&m);
if(n<m)swap(n,m);
if(getsg(n,m))puts("Stan wins");
else puts("Ollie wins");
}
return 0;
}