public static Tuple<Graph, Graph> ReadCSV(string path)
        {
            int sizeOfGraphA;
            int sizeOfGraphB;
            Graph GraphA;
            Graph GraphB;
            using (var reader = new StreamReader(path))
            {
                var fileNameParameters = Path.GetFileName(path).Split('_');
                sizeOfGraphA = int.Parse(fileNameParameters[0]);
                sizeOfGraphB = int.Parse(fileNameParameters[1]);

                GraphA = new Graph(sizeOfGraphA);

                for (int i = 0; i < GraphA.VerticesCount; i++)
                {
                    var values = reader.ReadLine().Split(',');
                    for (int j = 0; j < GraphA.VerticesCount; j++)
                    {
                        if (values[j] == "1")
                            GraphA.AddEdge(i, j);
                    }
                }
            }

            path.Replace("_A_", "_B_");

            using (var reader = new StreamReader(path))
            {
                GraphB = new Graph(sizeOfGraphB);
                for (int i = 0; i < GraphB.VerticesCount; i++)
                {
                    var values = reader.ReadLine().Split(',');
                    for (int j = 0; j < GraphB.VerticesCount; j++)
                    {
                        if (values[j] == "1")
                            GraphB.AddEdge(i, j);
                    }
                }
            }
            return new Tuple<Graph, Graph>(GraphA, GraphB);
        }