diff --git a/Program.cs b/Program.cs
index 9647d64..97146b2 100644
--- a/Program.cs
+++ b/Program.cs
@@ -4,6 +4,20 @@ class Program
 {
     static void Main(string[] args)
     {
-        Console.WriteLine("Hello, World!");
+        //dichiarazione variabili
+        ulong num, i;
+        //input e input sanitization
+        do{
+            Console.Write("Inserire un numero: ");
+            num=Convert.ToUInt64(Console.ReadLine());
+            if(num<=0){
+                Console.WriteLine("Il numero non può essere né negativo né zero");
+            }
+        }
+        while(num<=0);
+        //stampa dei numeri
+        for(i=num;i>0;i--){
+            Console.WriteLine(i);
+        }
     }
 }
diff --git a/bin/Debug/net8.0/decrescente b/bin/Debug/net8.0/decrescente
new file mode 100755
index 0000000..b50c83d
Binary files /dev/null and b/bin/Debug/net8.0/decrescente differ
diff --git a/bin/Debug/net8.0/decrescente.deps.json b/bin/Debug/net8.0/decrescente.deps.json
new file mode 100644
index 0000000..7f76f88
--- /dev/null
+++ b/bin/Debug/net8.0/decrescente.deps.json
@@ -0,0 +1,23 @@
+{
+  "runtimeTarget": {
+    "name": ".NETCoreApp,Version=v8.0",
+    "signature": ""
+  },
+  "compilationOptions": {},
+  "targets": {
+    ".NETCoreApp,Version=v8.0": {
+      "decrescente/1.0.0": {
+        "runtime": {
+          "decrescente.dll": {}
+        }
+      }
+    }
+  },
+  "libraries": {
+    "decrescente/1.0.0": {
+      "type": "project",
+      "serviceable": false,
+      "sha512": ""
+    }
+  }
+}
\ No newline at end of file
diff --git a/bin/Debug/net8.0/decrescente.dll b/bin/Debug/net8.0/decrescente.dll
new file mode 100644
index 0000000..3e3be29
Binary files /dev/null and b/bin/Debug/net8.0/decrescente.dll differ
diff --git a/bin/Debug/net8.0/decrescente.pdb b/bin/Debug/net8.0/decrescente.pdb
new file mode 100644
index 0000000..ce19619
Binary files /dev/null and b/bin/Debug/net8.0/decrescente.pdb differ
diff --git a/bin/Debug/net8.0/decrescente.runtimeconfig.json b/bin/Debug/net8.0/decrescente.runtimeconfig.json
new file mode 100644
index 0000000..becfaea
--- /dev/null
+++ b/bin/Debug/net8.0/decrescente.runtimeconfig.json
@@ -0,0 +1,12 @@
+{
+  "runtimeOptions": {
+    "tfm": "net8.0",
+    "framework": {
+      "name": "Microsoft.NETCore.App",
+      "version": "8.0.0"
+    },
+    "configProperties": {
+      "System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization": false
+    }
+  }
+}
\ No newline at end of file
diff --git a/obj/Debug/net8.0/.NETCoreApp,Version=v8.0.AssemblyAttributes.cs b/obj/Debug/net8.0/.NETCoreApp,Version=v8.0.AssemblyAttributes.cs
new file mode 100644
index 0000000..dca70aa
--- /dev/null
+++ b/obj/Debug/net8.0/.NETCoreApp,Version=v8.0.AssemblyAttributes.cs
@@ -0,0 +1,4 @@
+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETCoreApp,Version=v8.0", FrameworkDisplayName = ".NET 8.0")]
diff --git a/obj/Debug/net8.0/apphost b/obj/Debug/net8.0/apphost
new file mode 100755
index 0000000..b50c83d
Binary files /dev/null and b/obj/Debug/net8.0/apphost differ
diff --git a/obj/Debug/net8.0/decrescente.AssemblyInfo.cs b/obj/Debug/net8.0/decrescente.AssemblyInfo.cs
new file mode 100644
index 0000000..243f811
--- /dev/null
+++ b/obj/Debug/net8.0/decrescente.AssemblyInfo.cs
@@ -0,0 +1,22 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+using System;
+using System.Reflection;
+
+[assembly: System.Reflection.AssemblyCompanyAttribute("decrescente")]
+[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
+[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+9ddf463f73eff4084cf744bd95b3e683007ad3c3")]
+[assembly: System.Reflection.AssemblyProductAttribute("decrescente")]
+[assembly: System.Reflection.AssemblyTitleAttribute("decrescente")]
+[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
+
+// Generato dalla classe WriteCodeFragment di MSBuild.
+
diff --git a/obj/Debug/net8.0/decrescente.AssemblyInfoInputs.cache b/obj/Debug/net8.0/decrescente.AssemblyInfoInputs.cache
new file mode 100644
index 0000000..35ea597
--- /dev/null
+++ b/obj/Debug/net8.0/decrescente.AssemblyInfoInputs.cache
@@ -0,0 +1 @@
+a73f1fa128095786274fe4ffa8879b412ee2ff17e520424eedb032cdcfb14ff6
diff --git a/obj/Debug/net8.0/decrescente.GeneratedMSBuildEditorConfig.editorconfig b/obj/Debug/net8.0/decrescente.GeneratedMSBuildEditorConfig.editorconfig
new file mode 100644
index 0000000..231f0a8
--- /dev/null
+++ b/obj/Debug/net8.0/decrescente.GeneratedMSBuildEditorConfig.editorconfig
@@ -0,0 +1,13 @@
+is_global = true
+build_property.TargetFramework = net8.0
+build_property.TargetPlatformMinVersion = 
+build_property.UsingMicrosoftNETSdkWeb = 
+build_property.ProjectTypeGuids = 
+build_property.InvariantGlobalization = 
+build_property.PlatformNeutralAssembly = 
+build_property.EnforceExtendedAnalyzerRules = 
+build_property._SupportedPlatformList = Linux,macOS,Windows
+build_property.RootNamespace = decrescente
+build_property.ProjectDir = /home/BrainTheBest5/git/decrescente/
+build_property.EnableComHosting = 
+build_property.EnableGeneratedComInterfaceComImportInterop = 
diff --git a/obj/Debug/net8.0/decrescente.GlobalUsings.g.cs b/obj/Debug/net8.0/decrescente.GlobalUsings.g.cs
new file mode 100644
index 0000000..8578f3d
--- /dev/null
+++ b/obj/Debug/net8.0/decrescente.GlobalUsings.g.cs
@@ -0,0 +1,8 @@
+// <auto-generated/>
+global using global::System;
+global using global::System.Collections.Generic;
+global using global::System.IO;
+global using global::System.Linq;
+global using global::System.Net.Http;
+global using global::System.Threading;
+global using global::System.Threading.Tasks;
diff --git a/obj/Debug/net8.0/decrescente.assets.cache b/obj/Debug/net8.0/decrescente.assets.cache
new file mode 100644
index 0000000..6f1d698
Binary files /dev/null and b/obj/Debug/net8.0/decrescente.assets.cache differ
diff --git a/obj/Debug/net8.0/decrescente.csproj.CoreCompileInputs.cache b/obj/Debug/net8.0/decrescente.csproj.CoreCompileInputs.cache
new file mode 100644
index 0000000..b2c2e6a
--- /dev/null
+++ b/obj/Debug/net8.0/decrescente.csproj.CoreCompileInputs.cache
@@ -0,0 +1 @@
+78d7a49e5bf0d90d1090a49c7f475234fcc69435d4d31063318b3a3b9ea47453
diff --git a/obj/Debug/net8.0/decrescente.csproj.FileListAbsolute.txt b/obj/Debug/net8.0/decrescente.csproj.FileListAbsolute.txt
new file mode 100644
index 0000000..3f41950
--- /dev/null
+++ b/obj/Debug/net8.0/decrescente.csproj.FileListAbsolute.txt
@@ -0,0 +1,14 @@
+/home/BrainTheBest5/git/decrescente/obj/Debug/net8.0/decrescente.GeneratedMSBuildEditorConfig.editorconfig
+/home/BrainTheBest5/git/decrescente/obj/Debug/net8.0/decrescente.AssemblyInfoInputs.cache
+/home/BrainTheBest5/git/decrescente/obj/Debug/net8.0/decrescente.AssemblyInfo.cs
+/home/BrainTheBest5/git/decrescente/obj/Debug/net8.0/decrescente.csproj.CoreCompileInputs.cache
+/home/BrainTheBest5/git/decrescente/bin/Debug/net8.0/decrescente
+/home/BrainTheBest5/git/decrescente/bin/Debug/net8.0/decrescente.deps.json
+/home/BrainTheBest5/git/decrescente/bin/Debug/net8.0/decrescente.runtimeconfig.json
+/home/BrainTheBest5/git/decrescente/bin/Debug/net8.0/decrescente.dll
+/home/BrainTheBest5/git/decrescente/bin/Debug/net8.0/decrescente.pdb
+/home/BrainTheBest5/git/decrescente/obj/Debug/net8.0/decrescente.dll
+/home/BrainTheBest5/git/decrescente/obj/Debug/net8.0/refint/decrescente.dll
+/home/BrainTheBest5/git/decrescente/obj/Debug/net8.0/decrescente.pdb
+/home/BrainTheBest5/git/decrescente/obj/Debug/net8.0/decrescente.genruntimeconfig.cache
+/home/BrainTheBest5/git/decrescente/obj/Debug/net8.0/ref/decrescente.dll
diff --git a/obj/Debug/net8.0/decrescente.dll b/obj/Debug/net8.0/decrescente.dll
new file mode 100644
index 0000000..3e3be29
Binary files /dev/null and b/obj/Debug/net8.0/decrescente.dll differ
diff --git a/obj/Debug/net8.0/decrescente.genruntimeconfig.cache b/obj/Debug/net8.0/decrescente.genruntimeconfig.cache
new file mode 100644
index 0000000..97724d1
--- /dev/null
+++ b/obj/Debug/net8.0/decrescente.genruntimeconfig.cache
@@ -0,0 +1 @@
+35e512810b6ff05a58930e0d83453c8615f925dc42a70d9172cb3a4d2683fae2
diff --git a/obj/Debug/net8.0/decrescente.pdb b/obj/Debug/net8.0/decrescente.pdb
new file mode 100644
index 0000000..ce19619
Binary files /dev/null and b/obj/Debug/net8.0/decrescente.pdb differ
diff --git a/obj/Debug/net8.0/ref/decrescente.dll b/obj/Debug/net8.0/ref/decrescente.dll
new file mode 100644
index 0000000..4c0eae1
Binary files /dev/null and b/obj/Debug/net8.0/ref/decrescente.dll differ
diff --git a/obj/Debug/net8.0/refint/decrescente.dll b/obj/Debug/net8.0/refint/decrescente.dll
new file mode 100644
index 0000000..4c0eae1
Binary files /dev/null and b/obj/Debug/net8.0/refint/decrescente.dll differ