diff --git a/src/App.java b/src/App.java
index 9d57db8c8b792076fe269164e87d70b7f4c12204..386a74c13680be0258a4391998e615566f98292a 100644
--- a/src/App.java
+++ b/src/App.java
@@ -2,7 +2,7 @@ import java.util.List;
 
 public class App {
     public static void main(String[] args) throws Exception {
-       Backpack backpack= new InstanceReader().read("src/sac1");
+       Backpack backpack= new InstanceReader().read("src/sac2");
        backpack.solve();
        System.out.println("meilleur solution :" + backpack.getBestValue());
     }