diff --git a/src/main/java/Main/Cat.java b/src/main/java/Main/Cat.java
index 7825fb7..ae76d62 100644
--- a/src/main/java/Main/Cat.java
+++ b/src/main/java/Main/Cat.java
@@ -1,4 +1,8 @@
 package Main;
 
-public class Cat {
-}
+class Cat extends Mammal implements Carnivore {
+    @Override
+    public void eatMeat() {
+        System.out.println("Cat is eating meat.");
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/Main/Mammal.java b/src/main/java/Main/Mammal.java
index 9a12bee..79db649 100644
--- a/src/main/java/Main/Mammal.java
+++ b/src/main/java/Main/Mammal.java
@@ -5,6 +5,6 @@ public abstract class Mammal implements Creature {
     public abstract void makeSound();
     @Override
     public void live() {
-        // TODO
+        System.out.println(getClass().getSimpleName() + " is living its life.");
     }
 }