diff --git a/buggy.py b/buggy.py
--- a/buggy.py
+++ b/buggy.py
@@ -22,7 +22,7 @@
     if dango > max_dango:
         max_dango = dango
 
-    if stick == True:
+    if stick == True and max_dango != 0:
         print(max_dango)
     else:
         print(-1)
