diff --git a/HELP ME.cs b/HELP ME.cs
new file mode 100644
index 0000000..2b0d3ee
--- /dev/null
+++ b/HELP ME.cs	
@@ -0,0 +1,209 @@
+/// <summary>
+///######################
+///# Некрасов           #
+///# Антон              #
+///# ПИ-251             #
+///######################
+///</summary>
+
+using System;
+using System.Collections.Generic;
+
+public abstract class Animal {
+  public string Name { get; set; }
+  public int Age { get; set; }
+  public string Habitat { get; set; }
+  public string DietType { get; set; }
+
+  public Animal(string name, int age, string habitat, string dietType) {
+    Name = name;
+    Age = age;
+    Habitat = habitat;
+    DietType = dietType;
+  }
+
+  public virtual string GetInfo() {
+    return $"Name: {Name}, Age: {Age}, Habitat: {Habitat}, Diet: {DietType}";
+  }
+}
+
+public class Mammal : Animal {
+  public bool HasFur { get; set; }
+
+  public Mammal(string name, int age, string habitat, string dietType, bool hasFur)
+    : base(name, age, habitat, dietType) {
+    HasFur = hasFur;
+  }
+
+  public override string GetInfo() {
+    return base.GetInfo() +
+      $", Type: Mammal, Fur: {(HasFur ? "yes" : "no")}";
+  }
+}
+
+public class Bird : Animal {
+  public double WingSpan { get; set; }
+
+  public Bird(string name, int age, string habitat, string dietType, double wingSpan)
+    : base(name, age, habitat, dietType) {
+    WingSpan = wingSpan;
+  }
+
+  public override string GetInfo() {
+    return base.GetInfo() +
+      $", Type: Bird, Wing Span: {WingSpan} m";
+  }
+}
+
+public class Fish : Animal {
+  public string WaterType { get; set; }
+
+  public Fish(string name, int age, string habitat, string dietType, string waterType)
+    : base(name, age, habitat, dietType) {
+    WaterType = waterType;
+  }
+
+  public override string GetInfo() {
+    return base.GetInfo() +
+      $", Type: Fish, Water Type: {WaterType}";
+  }
+}
+
+public class Reptile : Animal {
+  public bool IsVenomous { get; set; }
+
+  public Reptile(string name, int age, string habitat, string dietType, bool isVenomous)
+    : base(name, age, habitat, dietType) {
+    IsVenomous = isVenomous;
+  }
+
+  public override string GetInfo() {
+    return base.GetInfo() +
+      $", Type: Reptile, Venomous: {(IsVenomous ? "yes" : "no")}";
+  }
+}
+
+public class Amphibian : Animal {
+  public string SkinMoisture { get; set; }
+
+  public Amphibian(string name, int age, string habitat, string dietType, string skinMoisture)
+    : base(name, age, habitat, dietType) {
+    SkinMoisture = skinMoisture;
+  }
+
+  public override string GetInfo() {
+    return base.GetInfo() +
+      $", Type: Amphibian, Skin Moisture: {SkinMoisture}";
+  }
+}
+
+public class AnimalManager {
+  private static AnimalManager _instance;
+
+  public static AnimalManager Instance {
+    get {
+      if (_instance == null)
+        _instance = new AnimalManager();
+      return _instance;
+    }
+  }
+
+  private List<Animal> animals = new List<Animal>();
+
+  private AnimalManager() { }
+
+  public void AddAnimal(Animal animal) {
+    animals.Add(animal);
+  }
+
+  public void ShowAllAnimals() {
+    if (animals.Count == 0) {
+      Console.WriteLine("But, no one came.");
+      return;
+    }
+
+    for (int index = 0; index < animals.Count; ++index) {
+      Console.WriteLine($"{index + 1}. {animals[index].GetInfo()}");
+    }
+  }
+
+  public void Menu() {
+    while (true) {
+      Console.WriteLine("\n 1 - show me animals.\n 2 - add animal \n 0 - nah. bye.");
+
+      string choice = Console.ReadLine();
+
+      switch (choice) {
+        case "1":
+          ShowAllAnimals();
+          break;
+
+        case "2":
+          CreateAnimal();
+          break;
+
+        case "0":
+          return;
+
+        default:
+          Console.WriteLine("no.");
+          break;
+      }
+    }
+  }
+
+  private void CreateAnimal() {
+    Console.WriteLine("\n Type:\n 1 - Mammal \n 2 - Bird \n 3 - Fish \n 4 - Reptile \n 5 - Amphibian");
+
+
+    string type = Console.ReadLine();
+
+    Console.Write("Name: ");
+    string name = Console.ReadLine();
+
+    Console.Write("Age: ");
+    int age = int.Parse(Console.ReadLine());
+
+    Console.Write("Habitat: ");
+    string habitat = Console.ReadLine();
+
+    Console.Write("Diet: ");
+    string diet = Console.ReadLine();
+
+    switch (type) {
+      case "1":
+        Console.Write("Has Fur? (true/false): ");
+        bool fur = bool.Parse(Console.ReadLine());
+        AddAnimal(new Mammal(name, age, habitat, diet, fur));
+        break;
+
+      case "2":
+        Console.Write("Wing Span: ");
+        double wing = double.Parse(Console.ReadLine());
+        AddAnimal(new Bird(name, age, habitat, diet, wing));
+        break;
+
+      case "3":
+        Console.Write("Water type: ");
+        string water = Console.ReadLine();
+        AddAnimal(new Fish(name, age, habitat, diet, water));
+        break;
+
+      case "4":
+        Console.Write("Venomous? (true/false): ");
+        bool venom = bool.Parse(Console.ReadLine());
+        AddAnimal(new Reptile(name, age, habitat, diet, venom));
+        break;
+
+      case "5":
+        Console.Write("Skin color: ");
+        string moisture = Console.ReadLine();
+        AddAnimal(new Amphibian(name, age, habitat, diet, moisture));
+        break;
+
+      default:
+        Console.WriteLine("nah.");
+        break;
+    }
+
+  }