diff --git a/202409/ConsoleApp1/Animals/Animal.cs b/202409/ConsoleApp1/Animals/Animal.cs
new file mode 100644
index 0000000..640537c
--- /dev/null
+++ b/202409/ConsoleApp1/Animals/Animal.cs
@@ -0,0 +1,51 @@
+namespace ConsoleApp1.Animals
+{
+    internal class Animal
+    {
+        #region internal classes
+        internal class MilkConsumerAreaInfo
+        {
+            public int Volume { get; set; }
+            public DateTime MonitoringDate { get; set; }
+        }
+
+        private class MilkConsumer
+        {
+            public int MilkVolume { get; set; }
+        }
+        #endregion
+
+
+        private List<MilkConsumer> knownMilkConsumers = new List<MilkConsumer>();
+        private string _typeName;
+
+        public void MeetMilkConsumer(int Volume)
+        {
+            knownMilkConsumers.Add(new MilkConsumer() { MilkVolume = Volume });
+        }
+        public void MeetMilkProduce(int Volume)
+        {
+            knownMilkConsumers.Add(new MilkConsumer() { MilkVolume = -Volume });
+        }
+
+        internal MilkConsumerAreaInfo GetAreaInfo()
+        {
+            return new MilkConsumerAreaInfo();
+        }
+
+        protected void SetAnimalTypeName(string sTypeName)
+        {
+            _typeName = sTypeName;
+        }
+    }
+
+    internal class CatAnimal : Animal
+    {
+        public CatAnimal()
+        {
+            SetAnimalTypeName("cat");
+        }
+
+        
+    }
+}
diff --git a/202409/ConsoleApp1/Card.cs b/202409/ConsoleApp1/Cards/Card.cs
similarity index 95%
rename from 202409/ConsoleApp1/Card.cs
rename to 202409/ConsoleApp1/Cards/Card.cs
index b67adef..68b13e5 100644
--- a/202409/ConsoleApp1/Card.cs
+++ b/202409/ConsoleApp1/Cards/Card.cs
@@ -1,4 +1,4 @@
-namespace ConsoleApp1
+namespace ConsoleApp1.Cards
 {
     /// <summary>
     /// Класс карты игральной
diff --git a/202409/ConsoleApp1/CardSuit.cs b/202409/ConsoleApp1/Cards/CardSuit.cs
similarity index 93%
rename from 202409/ConsoleApp1/CardSuit.cs
rename to 202409/ConsoleApp1/Cards/CardSuit.cs
index b7c1a66..e846cb8 100644
--- a/202409/ConsoleApp1/CardSuit.cs
+++ b/202409/ConsoleApp1/Cards/CardSuit.cs
@@ -1,4 +1,4 @@
-namespace ConsoleApp1
+namespace ConsoleApp1.Cards
 {
     /// <summary>
     /// Масти карт
diff --git a/202409/ConsoleApp1/CardValue.cs b/202409/ConsoleApp1/Cards/CardValue.cs
similarity index 90%
rename from 202409/ConsoleApp1/CardValue.cs
rename to 202409/ConsoleApp1/Cards/CardValue.cs
index b842e56..12235e0 100644
--- a/202409/ConsoleApp1/CardValue.cs
+++ b/202409/ConsoleApp1/Cards/CardValue.cs
@@ -1,4 +1,4 @@
-namespace ConsoleApp1
+namespace ConsoleApp1.Cards
 {
     /// <summary>
     /// Масти карт
diff --git a/202409/ConsoleApp1/Program.cs b/202409/ConsoleApp1/Program.cs
index fedc587..f9a9ef1 100644
--- a/202409/ConsoleApp1/Program.cs
+++ b/202409/ConsoleApp1/Program.cs
@@ -1,8 +1,63 @@
-namespace ConsoleApp1
+using ConsoleApp1.Animals;
+using ConsoleApp1.Cards;
+
+namespace ConsoleApp1
 {
     internal class Program
     {
         static void Main(string[] args)
+        {
+            // h_PlayCards();
+            Animal animal = new Animal();
+            Animal.MilkConsumerAreaInfo info = animal.GetAreaInfo();
+            h_Afd();
+            Console.ReadKey();
+        }
+
+        private static void h_Afd()
+        {
+            int ii = 0;
+            Console.WriteLine(ii);
+            h_Afd1(ii);
+            Console.WriteLine(ii);
+            h_Afd2(ref ii);
+            Console.WriteLine(ii);
+            h_Afd3(out ii);
+            Console.WriteLine(ii);
+
+            List<int> ll = new List<int>();
+            h_Lfd(ll);
+
+            //h_CountOddAndEven(ll);
+        }
+
+        private static bool h_CountOddAndEven(List<int> ll, 
+            out int iEvenCount, out int iOddCount)
+        {
+            throw new NotImplementedException();
+        }
+
+        private static void h_Lfd(List<int> ll)
+        {
+            ll.Add(1);
+            ll.Add(2);
+
+        }
+
+        private static void h_Afd1(int ii)
+        {
+            ii++;
+        }
+        private static void h_Afd2(ref int ii)
+        {
+            ii++;
+        }
+        private static void h_Afd3(out int ii)
+        {
+            ii = 10;
+        }
+
+        private static void h_PlayCards()
         {
             CardSuit myCardType = CardSuit.Черви;
             Console.WriteLine($"{myCardType}");
@@ -26,7 +81,6 @@
             {
                 Console.WriteLine($"{card.Suit}:{card.Value}");
             }
-            Console.ReadKey();
         }
     }
 }
\ No newline at end of file
diff --git a/scopes.drawio b/scopes.drawio
new file mode 100644
index 0000000..8a9de26
--- /dev/null
+++ b/scopes.drawio
@@ -0,0 +1,61 @@
+<mxfile host="app.diagrams.net" agent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36" version="24.7.16">
+  <diagram name="Страница — 1" id="WaECFrAChVGxal3I7U16">
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+      <root>
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+        </mxCell>
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