diff --git a/a1/grades.cases b/a1/grades.cases
new file mode 100644
index 0000000..b130d5d
--- /dev/null
+++ b/a1/grades.cases
@@ -0,0 +1,8 @@
+80 90 60
+43
+
+50 40 30
+67
+
+10 5 0
+107
\ No newline at end of file