diff --git a/grading.py b/grading.py
new file mode 100644
index 0000000..cec7b2d
--- /dev/null
+++ b/grading.py
@@ -0,0 +1,14 @@
+a, b, c, d, e = map(int, input().split())
+score = int(input())
+if score >= a:
+    print("A")
+elif score >= b:
+    print("B")
+elif score >= c:
+    print("C")
+elif score >= d:
+    print("D")
+elif score >= e:
+    print("E")
+else:
+    print("F")