// Record which recipes use which ingredients and vice versa
// Beth Katz - October 2008

#include <iostream>
#include <string>
#include <deque>
#include <map>
#include <set>
#include "LineScanner.h"

using namespace std;

typedef deque<string> StringDeque;
typedef set<string> StringSet;
typedef map< string, StringDeque > RecipeType;
typedef map< string, StringSet > IngredientType;

// given a line, produces a deque of it separated into strings
void createList(StringDeque & list, const string & line);

// print recipes with their ingredient lists
void print(const RecipeType & m);

// print the ingredients with the recipes where they're used
void print(const IngredientType & ingred);

// add recipe name to each ingredient's recipe list
void updateIngredients(IngredientType & ingredients, const string & recipeName, 
                       const StringDeque & input);
int main( ) {
   string line;
   RecipeType recipes;
   IngredientType ingredients;
   string recipeName;

   while (getline(cin, line)) {
      if (line[0] == '?') {
         print(recipes);
         print(ingredients);
      } else {
         StringDeque input;
         createList(input, line);
         if (input.size( ) < 2) {
            cerr << "Need recipe name and at least one ingredient." << endl;
            cerr << "Input was: " << line << endl;
         } else {
            recipeName = input[0];
            input.pop_front( );
            recipes[recipeName] = input;
            updateIngredients(ingredients, recipeName, input);
         }
      }
   }
   print(recipes);
   print(ingredients);
   return 0;
}

void createList(StringDeque & list, const string & line) {
   string value;
   LineScanner<string> input(line);

   try {
       while (true) {
           value = input.nextValue( );
           list.push_back(value);
       }
   } catch (runtime_error e) {
       // running out of input is normal; no action
   }
}
   
void print(const RecipeType & r) {
   RecipeType::const_iterator iter;

   cout << "====== Current Recipes ======" << endl;
   for (iter = r.begin( ); iter != r.end( ); ++iter) {
      cout << iter->first << ": "; 
      for (unsigned i = 0; i < iter->second.size( ); i++) {
         cout << iter->second[i] << " ";
      }
      cout << endl;
   }
   cout << endl;
} 

void print(const IngredientType & ingred) { 
   IngredientType::const_iterator iter;
   StringSet::const_iterator iterS;

   cout << "====== Ingredients and which Recipes Use Them ======" << endl;
   for (iter = ingred.begin( ); iter != ingred.end( ); ++iter) {
      cout << iter->first << ": ";    // the key -- ingredient
      const StringSet & recipeList = iter->second; // the data -- recipe list
      for (iterS = recipeList.begin( ); iterS != recipeList.end( ); ++iterS) {
         cout << *iterS << " ";
      }
      cout << endl;
   }
   cout << endl;
} 

void updateIngredients(IngredientType & ingredients, const string & recipeName, 
                       const StringDeque & input) {
   IngredientType::iterator iter;
   // pair<IngredientType::iterator, bool> current;

   for (unsigned i = 0; i < input.size( ); i++) {
      iter = ingredients.find(input[i]);
      if (iter != ingredients.end( )) { // ingredient already in list
         iter->second.insert(recipeName); // add recipe to its recipe list
      } else {  // ingredient not in list
         StringSet s;
         s.insert(recipeName);         // create initial recipe list
         ingredients[ input[i] ] = s;  // add ingredient and its recipe list
      }
   }
}