diff --git a/src/main/java/org/petriNet/MainPetriNet.java b/src/main/java/org/petriNet/MainPetriNet.java
index 2db6eea88082f4192d9d31907080d0f7d49526ae..d5078a636a4f7849febfa0f57ba62712f406e9b7 100644
--- a/src/main/java/org/petriNet/MainPetriNet.java
+++ b/src/main/java/org/petriNet/MainPetriNet.java
@@ -20,8 +20,8 @@ public class MainPetriNet {
         // Create arcs
         Arc_ENTRANT a1 = new Arc_entrant_simple(p1, t1, 1, 1);
         Arc_SORTANT a2 = new Arc_SORTANT(p2, t1, 1, 2);
-        Arc_ENTRANT a3 = new Arc_ENTRANT(p2, t2, 1);
-        Arc_SORTANT a4 = new Arc_SORTANT(p3, t2, 1);
+        Arc_ENTRANT a3 = new Arc_entrant_simple(p2, t2, 1, 3);
+        Arc_SORTANT a4 = new Arc_SORTANT(p3, t2, 1, 4);
 
         // Add arcs to transitions
         t1.ajouterArc_ENTRANT(a1);
@@ -29,11 +29,11 @@ public class MainPetriNet {
         t2.ajouterArc_ENTRANT(a3);
         t2.ajouterArc_SORTANT(a4);
 
-        // Add arcs to places
-        //p1.addArc(a1);
-        //p2.addArc(a2);
-        //p2.addArc(a3);
-        //p3.addArc(a4);
+        // Add a place to each arc
+        a1.setPlace(p1);
+        a2.setPlace(p2);
+        a3.setPlace(p2);
+        a4.setPlace(p3);
 
         // Add places and transitions to the Petri net
         reseauPerti.ajouterPlace(p1);
@@ -45,19 +45,13 @@ public class MainPetriNet {
         // Display the Petri net
         reseauPerti.afficherEtat();
 
-        // Test the est_tirable method
-        System.out.println("t1 est tirable : " + t1.est_tirable());
-        System.out.println("t2 est tirable : " + t2.est_tirable());
-
         // Test the tirer method
-        if (t1.est_tirable()) {
-            reseauPerti.tirerTransition(t1);
-        }
-        if (t2.est_tirable()) {
-            reseauPerti.tirerTransition(t2);
-        }
-
-        // Display the Petri net again
-        reseauPerti.afficherEtat();
+//        if (t1.est_tirable()) {
+//            reseauPerti.tirerTransition(t1);
+//        }
+//        if (t2.est_tirable()) {
+//            reseauPerti.tirerTransition(t2);
+//        }
+
     }
 }
\ No newline at end of file
diff --git a/src/main/java/org/petriNet/ReseauPerti.java b/src/main/java/org/petriNet/ReseauPerti.java
index 79f2b12442b82e8e51af60e7c8d4e8aa00ea8ff2..60e498b02e0ea2f68ffd5d07397d63a7ef83e22a 100644
--- a/src/main/java/org/petriNet/ReseauPerti.java
+++ b/src/main/java/org/petriNet/ReseauPerti.java
@@ -141,12 +141,12 @@ public class ReseauPerti implements PetriNetService {
 		 * relier les arcs aux places et aux transitions par des flèches
 		 */
 
-		// afficher Petri Net
-		System.out.println("Petri Net : ");
-		// afficher les places, les arcs, le poid et les transitions
-		for (Arc arc : arcs) {
-			System.out.println("Arc : " + arc.getPlace().getId() + " -> " + arc.getTransition().getId() + " : " + arc.getPoids());
-		}
+//		// afficher Petri Net
+//		System.out.println("Petri Net : ");
+//		// afficher les places, les arcs, le poids et les transitions
+//		for (Arc arc : arcs) {
+//			System.out.println("Arc : " + arc.getPlace().getId() + " -> " + arc.getTransition().getId() + " : " + arc.getPoids());
+//		}
 
 
 	}
diff --git a/src/main/java/org/petriNet/Transition.java b/src/main/java/org/petriNet/Transition.java
index 618e0dce2642aef44d8815be7edef317896cba68..e6f9a7323050f12a8411f9f722feb1d391720041 100644
--- a/src/main/java/org/petriNet/Transition.java
+++ b/src/main/java/org/petriNet/Transition.java
@@ -70,19 +70,31 @@ public class Transition {
 
         est_tirable();
 
-        // print the list of arcs entrants tirables
-        System.out.println("Arcs entrants tirable: " + this.arcs_ENTRANTS_TIRABLE
-                    + "Saisir l'arc entrant à tirer: ");
+        List<String> arcs_ENTRANTS_TIRABLE_String = Arcs_ENTRANTS_TIRABLE_toString();
 
-        // copilot get input from user of the id of the arc entrant to tirer (java.util.Scanner)
+        // print the list of arcs entrants tirables
+        System.out.println("Arcs entrants tirable: " + arcs_ENTRANTS_TIRABLE_String
+                + "Saisir l'arc entrant à tirer: ");
         Scanner scanner = new Scanner(System.in);
-        int id = scanner.nextInt();
 
-        // find the Arc_ENTRANT by id
-        Arc_ENTRANT arc_ENTRANT_toTirer = null;
-        for (Arc_ENTRANT arc_ENTRANT : this.arcs_ENTRANTS_TIRABLE) {
-            if (arc_ENTRANT.getId() == id) {
-                arc_ENTRANT_toTirer = arc_ENTRANT;
+
+        int id;
+        Arc_ENTRANT arc_ENTRANT_toTirer;
+
+        // Get the input from user of the id of the arc entrant to tirer (java.util.Scanner)
+        while (true) {
+            System.out.print("Enter the id: ");
+            String input = scanner.next();
+            try {
+                id = Integer.parseInt(input);
+                if (arcs_ENTRANTS_TIRABLE_String.contains(String.valueOf(id))) {
+                    arc_ENTRANT_toTirer = arcs_ENTRANTS_TIRABLE.get(arcs_ENTRANTS_TIRABLE_String.indexOf(String.valueOf(id)));
+                    break;
+                } else {
+                    System.out.println("Invalid id. Please enter a valid id.");
+                }
+            } catch (NumberFormatException e) {
+                System.out.println("Invalid id. Please enter a valid integer.");
             }
         }
 
@@ -93,5 +105,16 @@ public class Transition {
             arc_SORTANT.valider();
         }
 
+        System.out.println("Transition tirée avec succès");
+
+    }
+
+    // Add a method to get the list of arcs entrants tirable en String
+        public List<String> Arcs_ENTRANTS_TIRABLE_toString() {
+        List<String> arcs_ENTRANTS_TIRABLE_String = new ArrayList<String>();
+        for (Arc_ENTRANT arc_ENTRANT : arcs_ENTRANTS_TIRABLE) {
+            arcs_ENTRANTS_TIRABLE_String.add(String.valueOf(arc_ENTRANT.getId()));
+        }
+        return arcs_ENTRANTS_TIRABLE_String;
     }
 }