POJ 2505

 #include<iostream>
 #include<stdio.h>
 using namespace std;

 int main()
 {
     //freopen("acm.acm","r",stdin);
     unsigned num;
     unsigned mod;
     unsigned begin;
     unsigned end;
     int i;
     i = ;
     while(cin>>num)
     {
         begin = ;
         end = ;
         if(num >=  && num <= )
         {
             cout<<"Stan wins."<<endl;
             continue;
         }
         for(i = ; i < num; ++ i)
         {
             begin *= ;
             end = begin*;
             if(num >= begin+ && num <= end)
             {
                 cout<<"Ollie wins."<<endl;
                 break;
             }
             begin = end;
             end = begin*;
             if(num >= begin+ && num <= end)
             {
                 cout<<"Stan wins."<<endl;
                 break;
             }

         }
     }
 }
 /*
 1 ----- 9            先胜
 9+1 ------ 9*2       先负
 9*2+1 ---- 9*2*9     先胜
 9*2*9+1 ---- 9*2*9*2 先负
 */