diff --git a/2-csharp/lesson-2-projects/CsharpProjects/CsharpProjects.csproj b/2-csharp/lesson-2-projects/CsharpProjects/challenge4/CsharpProjects.csproj
similarity index 100%
rename from 2-csharp/lesson-2-projects/CsharpProjects/CsharpProjects.csproj
rename to 2-csharp/lesson-2-projects/CsharpProjects/challenge4/CsharpProjects.csproj
diff --git a/2-csharp/lesson-2-projects/CsharpProjects/Program.cs b/2-csharp/lesson-2-projects/CsharpProjects/challenge4/Program.cs
similarity index 100%
rename from 2-csharp/lesson-2-projects/CsharpProjects/Program.cs
rename to 2-csharp/lesson-2-projects/CsharpProjects/challenge4/Program.cs
diff --git a/2-csharp/lesson-2-projects/CsharpProjects/challenge5/Program.cs b/2-csharp/lesson-2-projects/CsharpProjects/challenge5/Program.cs
new file mode 100644
index 0000000..805b834
--- /dev/null
+++ b/2-csharp/lesson-2-projects/CsharpProjects/challenge5/Program.cs
@@ -0,0 +1,5 @@
+int firstValue = 500;
+int secondValue = 600;
+int largerValue = Math.Max(firstValue, secondValue);
+
+Console.WriteLine(largerValue);
\ No newline at end of file
diff --git a/2-csharp/lesson-2-projects/CsharpProjects/challenge5/challenge5.csproj b/2-csharp/lesson-2-projects/CsharpProjects/challenge5/challenge5.csproj
new file mode 100644
index 0000000..74abf5c
--- /dev/null
+++ b/2-csharp/lesson-2-projects/CsharpProjects/challenge5/challenge5.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>