diff --git a/demo2.py b/demo2.py
new file mode 100644
index 0000000..a8751a3
--- /dev/null
+++ b/demo2.py
@@ -0,0 +1,5 @@
+from demo import Solution
+
+
+s = Solution()
+print(s.findMedianSortedArrays([1, 2], [3,4]))
diff --git a/helpers/jokes.py b/helpers/jokes.py
index 1f8bebb..cbcbe9f 100644
--- a/helpers/jokes.py
+++ b/helpers/jokes.py
@@ -1,3 +1,4 @@
+import datetime
 import logging
 import random
 from time import sleep
@@ -32,9 +33,17 @@ def get_random() -> str:
     return anek['text']
 
 
+def remove_old():
+    mongo.events_collection.delete_many({"date": {"$lt": datetime.datetime.now() - datetime.timedelta(days=31)}})
+
+
 def poll_jokes():
     while True:
+        logging.info("removing old stats")
+        remove_old()
+        logging.info("old removed")
         logging.info("start fetching jokes")
         fetch_jokes()
         logging.info("finished fetching jokes")
+        logging.info("sleeping a day")
         sleep(60 * 60 * 24)