diff --git a/twostones.py b/twostones.py
new file mode 100644
index 0000000..6594226
--- /dev/null
+++ b/twostones.py
@@ -0,0 +1,8 @@
+import sys
+
+N = int(input())
+
+if N % 2 == 0:
+    print("Bob")
+else:
+    print("Alice")