diff --git a/Program.cs b/Program.cs
index 4bb4454..4c4f5ad 100644
--- a/Program.cs
+++ b/Program.cs
@@ -22,8 +22,16 @@ class Program
                 case 0:
                     break;
                 case 1:
-                    Console.Write("Numeri da inserire: ");
-                    i = Convert.ToInt32(Console.ReadLine());
+                    do
+                    {
+                        Console.Write("Numeri da inserire: ");
+                        i = Convert.ToInt32(Console.ReadLine());
+                        if (i <= 0)
+                        {
+                            Console.WriteLine("Opzione non valida");
+                        }
+                    }
+                    while (i <= 0);
                     for(; i > 0; i--){
                         Console.Write("Inserire un numero: ");
                         numero = Convert.ToInt32(Console.ReadLine());
diff --git a/bin/Debug/net9.0/ripasso1.dll b/bin/Debug/net9.0/ripasso1.dll
index 3ccc766..578013a 100644
Binary files a/bin/Debug/net9.0/ripasso1.dll and b/bin/Debug/net9.0/ripasso1.dll differ
diff --git a/bin/Debug/net9.0/ripasso1.pdb b/bin/Debug/net9.0/ripasso1.pdb
index ad574b7..218adb1 100644
Binary files a/bin/Debug/net9.0/ripasso1.pdb and b/bin/Debug/net9.0/ripasso1.pdb differ
diff --git a/obj/Debug/net9.0/ref/ripasso1.dll b/obj/Debug/net9.0/ref/ripasso1.dll
index 45ba7f3..6fbb18d 100644
Binary files a/obj/Debug/net9.0/ref/ripasso1.dll and b/obj/Debug/net9.0/ref/ripasso1.dll differ
diff --git a/obj/Debug/net9.0/refint/ripasso1.dll b/obj/Debug/net9.0/refint/ripasso1.dll
index 45ba7f3..6fbb18d 100644
Binary files a/obj/Debug/net9.0/refint/ripasso1.dll and b/obj/Debug/net9.0/refint/ripasso1.dll differ
diff --git a/obj/Debug/net9.0/ripasso1.AssemblyInfo.cs b/obj/Debug/net9.0/ripasso1.AssemblyInfo.cs
index 9413c3a..56944e5 100644
--- a/obj/Debug/net9.0/ripasso1.AssemblyInfo.cs
+++ b/obj/Debug/net9.0/ripasso1.AssemblyInfo.cs
@@ -13,7 +13,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("ripasso1")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+88a3a81dc5c585f0e44e1de67a04fcc0176c2248")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+523bb24b6cdf5fe528dfd83a3e99519698c6b70f")]
 [assembly: System.Reflection.AssemblyProductAttribute("ripasso1")]
 [assembly: System.Reflection.AssemblyTitleAttribute("ripasso1")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
diff --git a/obj/Debug/net9.0/ripasso1.AssemblyInfoInputs.cache b/obj/Debug/net9.0/ripasso1.AssemblyInfoInputs.cache
index be6d510..5717ede 100644
--- a/obj/Debug/net9.0/ripasso1.AssemblyInfoInputs.cache
+++ b/obj/Debug/net9.0/ripasso1.AssemblyInfoInputs.cache
@@ -1 +1 @@
-df729b33bee225d62533bc9464825af2a889790321bc9d5d69fed3afd170fe83
+9ae844eabdb834620e40c9ba6eb3b842d15c778fa257263021e9ad9254162faf
diff --git a/obj/Debug/net9.0/ripasso1.dll b/obj/Debug/net9.0/ripasso1.dll
index 3ccc766..578013a 100644
Binary files a/obj/Debug/net9.0/ripasso1.dll and b/obj/Debug/net9.0/ripasso1.dll differ
diff --git a/obj/Debug/net9.0/ripasso1.pdb b/obj/Debug/net9.0/ripasso1.pdb
index ad574b7..218adb1 100644
Binary files a/obj/Debug/net9.0/ripasso1.pdb and b/obj/Debug/net9.0/ripasso1.pdb differ