static void Main(string[] args)
{
Graph graph = new Graph(4);
AddEdgesToGraph(graph);
graph.PrintVerticesMatrix();
Console.WriteLine("BFS traversal starting from vertex 2:");
BFS bfs = new BFS(graph);
bfs.ExecuteAlgorithm(2);
Console.WriteLine("DFS traversal starting from vertex 2:");
DFS dfs = new DFS(graph);
dfs.ExecuteAlgorithm(2);
}