diff --git a/5/5.3/5.3.3/main.py b/5/5.3/5.3.3/main.py
new file mode 100644
index 0000000..eae0ea8
--- /dev/null
+++ b/5/5.3/5.3.3/main.py
@@ -0,0 +1,9 @@
+
+def pyramid_volume(base_length, base_width, pyramid_height):
+    return(((base_length * base_width) * pyramid_height) * (1/3))
+
+
+length = float(input())
+width = float(input())
+height = float(input())
+print('Volume for 4.5, 2.1, 3.0 is:', pyramid_volume(length, width, height))
\ No newline at end of file