diff --git a/Lab4 b/Lab4
index b74a914..64a56ec 160000
--- a/Lab4
+++ b/Lab4
@@ -1 +1 @@
-Subproject commit b74a914278412632be52a0ee096f1e22864afec7
+Subproject commit 64a56eca2af0ca37b98fdadf15e5ecb75d5484f0