diff --git a/day07/part2.py b/day07/part2.py
index aa53649..4889002 100644
--- a/day07/part2.py
+++ b/day07/part2.py
@@ -38,11 +38,13 @@ for line in lines:
 
 a = datetime.datetime.now()
 count = graph.depth_first_search("shiny gold", search_contained_by=False) - 1
-print("With dyn programming", datetime.datetime.now() - a)
+b = datetime.datetime.now() - a
+print("With dyn programming", b)
 print(count)
 
 a = datetime.datetime.now()
 count = graph.depth_first_search("shiny gold", search_contained_by=False, use_cache=False) - 1
-print("Without dyn programming", datetime.datetime.now() - a)
+b = datetime.datetime.now() - a
+print("Without dyn programming", b)
 print(count)