#include <lemon/smart_graph.h>

 #include <lemon/graph_reader.h>

 #include <iostream>

 #include <fstream>

 using namespace std;

 using namespace lemon;

 int main() {

   ifstream input("test.lgf");

   SmartGraph graph;

   GraphReader<SmartGraph> reader(input, graph);

   SmartGraph::NodeMap<int> cost(graph);

   reader.readNodeMap("cost", cost);

   SmartGraph::NodeMap<string> color(graph);

   reader.readNodeMap("color", color);

   reader.read();

   for (SmartGraph::NodeIt it(graph); it != INVALID; ++it) {

     cout << cost[it] << color[it] << endl;

   }

   return 0;

 }