diff --git a/grade.txt b/grade.txt
index ebcf5f4..4bb68ae 100644
--- a/grade.txt
+++ b/grade.txt
@@ -1 +1 @@
-78ce171
+20869039580e4850efbf6bff92882786
\ No newline at end of file
diff --git a/old_grade.txt b/old_grade.txt
index 81a885e..ebcf5f4 100644
--- a/old_grade.txt
+++ b/old_grade.txt
@@ -1 +1 @@
-c02d4261b0ef311b98f2
+78ce171