#include<bits/stdc++.h>
using namespace std;
int T,m,n,fl;
int hu(int m,int n,int fl){
	if(m%n==0)
		return fl;
	if(m/n>=2)
		return fl;
	return hu(n,m-n,++fl);
}
int Slove(){
	fl=1;
	if(m<n){
    	swap(m,n);
	}
	int k=hu(m,n,fl);
	if(k%2==1){
		cout<<"Stan wins"<<endl;
	}
	else{
		cout<<"Ollie wins"<<endl;
	}
	
	}


int main()
{
    cin>>T;
    while(T--){
    	cin>>m>>n;	
    	Slove();
	}
    return 0;
}