diff --git a/countdown.rb b/countdown.rb
index 9c36eba..28981e9 100644
--- a/countdown.rb
+++ b/countdown.rb
@@ -1,4 +1,18 @@
 #write your code here
 
-def countdown
+def countdown(number)
+  while number != 0 do
+    puts "#{number} SECOND(S)!"
+    number -= 1
+  end
+  
+  return "HAPPY NEW YEAR!"
 end
+
+def countdown_with_sleep(number)
+  while number != 0 do
+    puts "#{number} SECOND(S)!"
+    number -= 1
+    sleep(1)
+  end
+end
\ No newline at end of file