poj 2348(博弈)

#include<stdio.h>
int main()
{
int a,b,t;
bool judge;
while(scanf("%d%d",&a,&b)!=EOF)
{
if(a==0 && b==0)
break;

judge=1;

while(1)
{
if(a>b)
{
t=a;
a=b;
b=t;
}
if(a<b/2 || b%a==0 || a==0)
{
if(judge)
{
printf("Stan wins\n");
break;
}
else
{
printf("Ollie wins\n");
break;
}

}
b=b-a;
judge=!judge;

}

}
return 0;

}