diff --git a/fizzbuzz.js b/fizzbuzz.js
index bd1f6cf..c21bb71 100644
--- a/fizzbuzz.js
+++ b/fizzbuzz.js
@@ -6,10 +6,16 @@
 
 'use strict';
 
-var fizzbuzz = function (x) {
-//
-// YOUR CODE GOES HERE
-//
-};
+let fizzbuzz = function (number) {
+    if ((number % 3 === 0) && (number % 5 === 0)) {
+        return "fizzbuzz";
+    } else if (number % 3 === 0) {
+        return "fizz";
+    } else if (number % 5 === 0) {
+        return "buzz";
+    } else {
+        return number;
+    }  
+}
 
 module.exports = { fizzbuzz: fizzbuzz };