a003: 兩光法師占卜術

#include
using namespace std;

int main(){
   int m,d,s;
   while(cin>>m>>d){
      s=(m*2+d)%3;
      switch (s){
         case 0:
            cout<<"普通"<< endl;
            break;
         case 1:
            cout<<"吉"<< endl;
            break;
         case 2:
            cout<<"大吉"<< endl;
            break;
         default:
            break;
      }          
   }    
   return 0;
}