diff --git a/WebApplicationLesson1/Controllers/CalculatorController1.cs b/WebApplicationLesson1/Controllers/CalculatorController1.cs
new file mode 100644
index 0000000..4a19605
--- /dev/null
+++ b/WebApplicationLesson1/Controllers/CalculatorController1.cs
@@ -0,0 +1,21 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace WebApplication1.Controllers
+{
+    public class CalculatorController : Controller
+    {
+        public string Index(int a, int b, string c )
+        {
+
+               if(c== "+")
+                        return $"{a} + {b} = {a + b}";
+
+               if(c=="-")
+                        return $"{a} - {b} = {a - b}";
+               if(c == "*")
+                    return $"{a} * {b} = {a * b}";
+            
+            return "Ошибка операции";
+        }
+}
diff --git a/WebApplicationLesson1/Startup.cs b/WebApplicationLesson1/Startup.cs
index d9a1eb0..007d4b6 100644
--- a/WebApplicationLesson1/Startup.cs
+++ b/WebApplicationLesson1/Startup.cs
@@ -46,7 +46,7 @@ public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
             {
                 endpoints.MapControllerRoute(
                     name: "default",
-                    pattern: "{controller=Home}/{action=Index}/{id?}");
+                   pattern: "{controller=Home}/{action=Index}/{a?}/{b?}/{c?}");
             });
         }
     }