typedef  map<Set,  vector<Set> Setcache;
        
     
     stack<               cin >> t;
              cin >> n;
         IDCache.clear();
         Setcache.clear();
          
             cin >> op;
                                                        
                 Set x1 = Setcache[s.top()]; s.pop();
                 Set x2 = Setcache[s.top()]; s.pop();
                 Set x;
                                                                    s.push(ID(x));
                 
             }
             
             cout << Setcache[s.top()].size() << endl;
         }
         cout << "***" << endl;
     
     }
      }
 
       
          Setcache.push_back(x);
      
 }