From bc2ef0e085706ffe4f3e7d962370038b34484e88 Mon Sep 17 00:00:00 2001
From: Muhammad Nauman Raza <devraza.hazard643@slmail.me>
Date: Fri, 17 Jan 2025 13:38:29 +0000
Subject: [PATCH] refactor: cleanup 268B

---
 solutions/python/268B.py | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 solutions/python/268B.py

diff --git a/solutions/python/268B.py b/solutions/python/268B.py
new file mode 100644
index 0000000..32b6591
--- /dev/null
+++ b/solutions/python/268B.py
@@ -0,0 +1,3 @@
+n = int(input())
+
+print(round((n-1)*n*(n+1)/6+n))