diff --git a/Lesson_4/Task_2/Classes/FireMagic.cs b/Lesson_4/Task_2/Classes/FireMagic.cs
index 8842b59..c10a691 100644
--- a/Lesson_4/Task_2/Classes/FireMagic.cs
+++ b/Lesson_4/Task_2/Classes/FireMagic.cs
@@ -8,9 +8,9 @@ using Open_Closed.Interfaces;
 
 namespace Open_Closed.Classes
 {
-    public class FireMagic : IMagicClass
+    public class FireMagic : Magic, IMagic
     {
-        public int MagicValue { get { return 150; } }
-        public string MagicType { get { return "fire"; } }
+        public override int MagicValue { get { return 150; } }
+        public override string MagicType { get { return "fire"; } }
     }
 }
diff --git a/Lesson_4/Task_2/Classes/Magic.cs b/Lesson_4/Task_2/Classes/Magic.cs
index 2bb046f..fac03fc 100644
--- a/Lesson_4/Task_2/Classes/Magic.cs
+++ b/Lesson_4/Task_2/Classes/Magic.cs
@@ -8,9 +8,12 @@ using Open_Closed.Interfaces;
 
 namespace Open_Closed.Classes
 {
-    public class Magic : IMagic
+    abstract public class Magic : IMagic
     {
-        public void CountYourMagic(string MagicType)
+        abstract public int MagicValue { get; }
+        abstract public string MagicType { get; }
+
+        public void CountYourMagic()
         {
             Console.WriteLine($"Your magic is {MagicType}.");
         }
diff --git a/Lesson_4/Task_2/Classes/WaterMagic.cs b/Lesson_4/Task_2/Classes/WaterMagic.cs
index aef7e32..6544e2b 100644
--- a/Lesson_4/Task_2/Classes/WaterMagic.cs
+++ b/Lesson_4/Task_2/Classes/WaterMagic.cs
@@ -8,9 +8,9 @@ using Open_Closed.Interfaces;
 
 namespace Open_Closed.Classes
 {
-    public class WaterMagic : IMagicClass
+    public class WaterMagic : Magic, IMagic
     {
-        public int MagicValue { get { return 50000000; } }
-        public string MagicType { get { return "water"; } }
+        public override int MagicValue { get { return 50000000; } }
+        public override string MagicType { get { return "water"; } }
     }
 }
diff --git a/Lesson_4/Task_2/Interfaces/IMagic.cs b/Lesson_4/Task_2/Interfaces/IMagic.cs
index d2599f7..ac64d46 100644
--- a/Lesson_4/Task_2/Interfaces/IMagic.cs
+++ b/Lesson_4/Task_2/Interfaces/IMagic.cs
@@ -8,6 +8,9 @@ namespace Open_Closed.Interfaces
 {
     public interface IMagic
     {
-        void CountYourMagic(string MagicType);
+        abstract int MagicValue { get; }
+        abstract string MagicType { get; }
+
+        void CountYourMagic();
     }
 }
diff --git a/Lesson_4/Task_2/Interfaces/IMagicClass.cs b/Lesson_4/Task_2/Interfaces/IMagicClass.cs
deleted file mode 100644
index 7a44e78..0000000
--- a/Lesson_4/Task_2/Interfaces/IMagicClass.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Open_Closed.Interfaces
-{
-    public interface IMagicClass
-    {
-        int MagicValue { get; }
-        string MagicType { get; }
-    }
-}
diff --git a/Lesson_4/Task_2/Program.cs b/Lesson_4/Task_2/Program.cs
index 207c754..1f2dfcb 100644
--- a/Lesson_4/Task_2/Program.cs
+++ b/Lesson_4/Task_2/Program.cs
@@ -1,4 +1,4 @@
 using Open_Closed.Classes;
 
-(new Magic()).CountYourMagic(new FireMagic().MagicType);
-(new Magic()).CountYourMagic(new WaterMagic().MagicType);
+(new FireMagic()).CountYourMagic();
+(new WaterMagic()).CountYourMagic();