HDU1525 Euclid's Game

#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>

using namespace std;

int main()
{
int a,b,total,t;
while(scanf("%d%d",&a,&b) && (a||b))
{
total = 0;
while(1)
{
if(a < b)
t = a,a = b,b = t;
if(a/b >=2)
break;
total++;
a %= b;
if(a==0)
{
total++;
break;
}
}
if(total%2)
cout << "Ollie wins" << endl;
else
cout << "Stan wins" << endl;
}
return 0;
}