diff --git a/index.js b/index.js
index 989eb140..08031c75 100644
--- a/index.js
+++ b/index.js
@@ -1 +1,34 @@
-// Your code here
\ No newline at end of file
+class Cat {
+  constructor(name, sex){
+    this.name = name,
+    this.sex = sex
+  }
+  speak() {
+    return `${this.name} says meow!`
+  }
+}
+
+class Dog {
+  constructor(name, sex){
+    this.name = name,
+    this.sex = sex
+  }
+  speak() {
+    return `${this.name} says woof!`
+  }
+}
+
+class Bird {
+  constructor(name, sex){
+    this.name = name,
+    this.sex = sex
+  }
+
+  speak() {
+    if(this.sex === 'male') {
+      return `It's me! ${this.name}, the parrot!`
+    } else if (this.sex === 'female') {
+      return `${this.name} says squawk!`
+    }
+  }
+}