diff --git a/addtask/task2/task2.sln b/addtask/task2/task2.sln
new file mode 100644
index 0000000..964c4bb
--- /dev/null
+++ b/addtask/task2/task2.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.7.34018.315
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{F2A71F9B-5D33-465A-A702-920D77279786}") = "task2", "task2\task2.fsproj", "{22099F0E-5FF3-4343-AD34-A10FA2A4EF6E}"
+EndProject
+Project("{F2A71F9B-5D33-465A-A702-920D77279786}") = "task2.tests", "task2.tests\task2.tests.fsproj", "{6BF43100-50FC-48F1-A281-4638B6801C8C}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{22099F0E-5FF3-4343-AD34-A10FA2A4EF6E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{22099F0E-5FF3-4343-AD34-A10FA2A4EF6E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{22099F0E-5FF3-4343-AD34-A10FA2A4EF6E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{22099F0E-5FF3-4343-AD34-A10FA2A4EF6E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6BF43100-50FC-48F1-A281-4638B6801C8C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6BF43100-50FC-48F1-A281-4638B6801C8C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6BF43100-50FC-48F1-A281-4638B6801C8C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6BF43100-50FC-48F1-A281-4638B6801C8C}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {7B70452C-4C6F-460B-9581-A52582E13994}
+	EndGlobalSection
+EndGlobal
diff --git a/addtask/task2/task2.tests/ParkingTests.fs b/addtask/task2/task2.tests/ParkingTests.fs
new file mode 100644
index 0000000..bbe7c1b
--- /dev/null
+++ b/addtask/task2/task2.tests/ParkingTests.fs
@@ -0,0 +1,26 @@
+module ParkingSimulation.tests
+
+open NUnit.Framework
+open ParkingSimulation
+open System.Threading
+open FsUnit
+
+[<Test>]
+let AmountOfSpacesAlwaysCorrect () =
+    let testParking = Parking(100)
+
+    let amountOfSpacesAlwaysCorrectTemplate func expected =
+        let cde = new CountdownEvent(200)
+        let addingTasks = Seq.init 200 (fun _ -> async { 
+            func |> ignore
+            cde.Signal() |> ignore })
+        addingTasks
+        |> Async.Parallel
+        |> Async.RunSynchronously
+        |> ignore
+        cde.Wait()
+        testParking.GetCarsAmount() |> should equal expected
+
+    amountOfSpacesAlwaysCorrectTemplate testParking.CheckAndAdd 100
+
+    amountOfSpacesAlwaysCorrectTemplate testParking.CheckAndDelete 0
diff --git a/addtask/task2/task2.tests/task2.tests.fsproj b/addtask/task2/task2.tests/task2.tests.fsproj
new file mode 100644
index 0000000..1c6fa24
--- /dev/null
+++ b/addtask/task2/task2.tests/task2.tests.fsproj
@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+    <GenerateProgramFile>true</GenerateProgramFile>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="ParkingTests.fs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="FsUnit" Version="5.4.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
+    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.4.2" />
+    <PackageReference Include="NUnit.Analyzers" Version="3.6.1" />
+    <PackageReference Include="coverlet.collector" Version="3.2.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\task2\task2.fsproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/addtask/task2/task2/Program.fs b/addtask/task2/task2/Program.fs
new file mode 100644
index 0000000..d27827e
--- /dev/null
+++ b/addtask/task2/task2/Program.fs
@@ -0,0 +1,37 @@
+module ParkingSimulation
+
+open System.Threading
+open System
+
+type Parking(size: int) =
+    let mutable parkedCars = 0
+
+    member _.GetCarsAmount() = parkedCars
+
+    member _.CheckAndAdd() = 
+        let mutable answer = false
+        let mutable isDone = false
+        while not isDone do 
+            let current = parkedCars
+            if current = size then
+                isDone <- true
+            else
+                let incremented = current + 1
+                if Interlocked.CompareExchange(&parkedCars, incremented, current) = current then
+                    isDone <- true
+                    answer <- true
+        answer
+
+    member _.CheckAndDelete(): Boolean =
+        let mutable answer = false
+        let mutable isDone = false
+        while not isDone do
+            let current = parkedCars
+            if current = 0 then
+                isDone <- true
+            else
+                let decremented = current - 1
+                if Interlocked.CompareExchange(&parkedCars, decremented, current) = current then
+                    isDone <- true
+                    answer <- true
+        answer
diff --git a/addtask/task2/task2/task2.fsproj b/addtask/task2/task2/task2.fsproj
new file mode 100644
index 0000000..dd5c71e
--- /dev/null
+++ b/addtask/task2/task2/task2.fsproj
@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="Program.fs" />
+  </ItemGroup>
+
+</Project>