diff --git a/Homework05/Homework05.sln b/Homework05/Homework05.sln
new file mode 100644
index 0000000..01df8ad
--- /dev/null
+++ b/Homework05/Homework05.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.6.33815.320
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Homework05", "Homework05\Homework05.csproj", "{4CB9E2B0-4B50-4947-85FC-2E00393DA325}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{4CB9E2B0-4B50-4947-85FC-2E00393DA325}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4CB9E2B0-4B50-4947-85FC-2E00393DA325}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4CB9E2B0-4B50-4947-85FC-2E00393DA325}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4CB9E2B0-4B50-4947-85FC-2E00393DA325}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {B7C80557-3166-4939-A5C0-521CB9130E95}
+	EndGlobalSection
+EndGlobal
diff --git a/Homework05/Homework05/CannotEnterAnotherSymbolException.cs b/Homework05/Homework05/CannotEnterAnotherSymbolException.cs
new file mode 100644
index 0000000..6d7c0d0
--- /dev/null
+++ b/Homework05/Homework05/CannotEnterAnotherSymbolException.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Homework05
+{
+    internal class CannotEnterAnotherSymbolException : Exception
+    {
+        public CannotEnterAnotherSymbolException(string str)
+            : base (str)
+        {
+
+        }
+    }
+}
diff --git a/Homework05/Homework05/Homework05.csproj b/Homework05/Homework05/Homework05.csproj
new file mode 100644
index 0000000..74abf5c
--- /dev/null
+++ b/Homework05/Homework05/Homework05.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>
diff --git a/Homework05/Homework05/Program.cs b/Homework05/Homework05/Program.cs
new file mode 100644
index 0000000..af116e2
--- /dev/null
+++ b/Homework05/Homework05/Program.cs
@@ -0,0 +1,59 @@
+namespace Homework05
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            try
+            {
+                Console.WriteLine("Shell we start calculating!");
+                Console.Write("Enter first number : ");
+                int firstNumber = int.Parse(Console.ReadLine());
+                Console.Write("Enter action :");
+                char action = Console.ReadLine()[0];
+                Console.Write("Enter second number : ");
+                int secondNumber = int.Parse(Console.ReadLine());
+                
+                Calculate(firstNumber, secondNumber, action);
+
+            }
+            catch (CannotEnterAnotherSymbolException ex)
+            {
+                Console.WriteLine("Wrong symbol . Please, try again");
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine("Something went wrong!");
+            }
+            Thread.Sleep(3000);
+            Console.Clear();
+            Main(args);
+        }
+
+        public static void Calculate(int firstNum,  int secondNum, char action)
+        {
+            int result;
+            
+            switch (action)
+            {
+                case '+':
+                    result = firstNum + secondNum;
+                    break;
+                case '-':
+                    result = firstNum - secondNum;
+                    break;
+                case '*':
+                    result = firstNum * secondNum;
+                    break;
+                case '/':
+                    result = firstNum / secondNum;
+                    break;
+                default: throw new CannotEnterAnotherSymbolException("Wrong symbol!");
+            }
+            Console.Clear();
+            Console.WriteLine($"{firstNum} {action} {secondNum} = {result}");
+
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/Homework05/Homework05/errors.txt b/Homework05/Homework05/errors.txt
new file mode 100644
index 0000000..cd876a9
--- /dev/null
+++ b/Homework05/Homework05/errors.txt
@@ -0,0 +1 @@
+Value does not fall within the expected range.
\ No newline at end of file