diff --git a/src/main.cpp b/src/main.cpp
index 708bbbc..a5be378 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -89,11 +89,23 @@ void stats_surface_area(MyMesh &mesh) {
 }
 
 
+void stats_n_neighbors(MyMesh &mesh) {
+	for (const VertexHandle &vh : mesh.vertices()) {
+		unsigned count = 0;
+		for (auto vv_it = mesh.vv_iter(vh); vv_it.is_valid(); ++vv_it) {
+			count++;
+		}
+		std::cout << count << " ";
+	}
+	std::cout << std::endl;
+}
+
+
 int main(int argc, char *argv[]) {
 	using namespace std;
 
-	if (argc != 2) {
-		cerr << "Utilisation : " << argv[0] << " [fichier.obj]" << endl;
+	if (argc != 2 && argc != 3) {
+		cerr << "Utilisation : " << argv[0] << " fichier.obj [surface|valence]" << endl;
 		return 1;
 	}
 	MyMesh mesh;
@@ -113,6 +125,12 @@ int main(int argc, char *argv[]) {
 	float area = total_area(mesh);
 	cerr << "Aire totale : " << area << endl;
 	cerr << "Aire moyenne : " << area / mesh.n_faces() << endl;
-	stats_surface_area(mesh);
+	if (argc == 3) {
+		string cmd = argv[2];
+		if (cmd == "surface")
+			stats_surface_area(mesh);
+		else if (cmd == "valence")
+			stats_n_neighbors(mesh);
+	}
 	return 0;
 }