#include<stdio.h>
int main()
{
int x,y,i=0,t;
scanf("%d%d",&x,&y);
if(x==0&&y==0) return 0;
else
{
if(x<y) {t=x;x=y;y=t;}
while(x<2*y)
{
x=x-y;
t=x;x=y;y=t;
i++;
}
if(i%2==0) printf("Stan wins\n");
else printf("Ollie wins\n");
}
return 0;
}
它说是wrong answer