diff --git a/fizzbuzz.rb b/fizzbuzz.rb
index 4b907f0..670eaf3 100644
--- a/fizzbuzz.rb
+++ b/fizzbuzz.rb
@@ -1,7 +1,15 @@
-class Integer
-   def fizzbuzz
-      #
-      # YOUR CODE GOES HERE
-      #
-   end
+def fizzbuzz(n)
+1.upto(100) do |n|
+  i_3 = (n % 3 == 0)
+  i_5 = (n % 5 == 0)
+  puts case
+    when i_3 && i_5
+      'fizzbuzz'
+    when i_3
+      'fizz'
+    when i_5
+      'buzz'
+    else
+      n
+  end
 end