diff --git a/homeworks/homework_5/src/main/scala/Exercises.scala b/homeworks/homework_5/src/main/scala/Exercises.scala
index 2be7d30..06bceeb 100644
--- a/homeworks/homework_5/src/main/scala/Exercises.scala
+++ b/homeworks/homework_5/src/main/scala/Exercises.scala
@@ -4,20 +4,20 @@ object Exercises {
   }
 
   case class Cat(override val name: String) extends Animal
-
   case class Dog(override val name: String) extends Animal
 
+  case class Shelter[+A <: Animal](animals: List[A]) {
+    def +[T >: A <: Animal](animal: T): Shelter[T] = Shelter(animals :+ animal)
+    def ++[T >: A <: Animal](shelter: Shelter[T]): Shelter[T] = Shelter(animals ++ shelter.animals)
+    def getNames: Seq[String] = animals.map(_.name)
+    def feed[F >: A <: Animal](food: Food[F]): Seq[String] = animals.map(food.feed)
+  }
 
+  trait Food[-A <: Animal] {
+    def feed(animal: A) = s"${animal.name} eats ${this.toString.toLowerCase}"
+  }
 
-  case class Shelter ...
-
-
-
-  trait Food ...
-
-  case object Meat extends Food[Animal] ...
-
-  case object Milk extends Food[Cat] ...
-
-  case object Bread extends Food[Dog] ...
+  case object Meat extends Food[Animal]
+  case object Milk extends Food[Cat]
+  case object Bread extends Food[Dog]
 }