From df0345596a7b76efcf114ee9c4e9ba7355fe5df7 Mon Sep 17 00:00:00 2001
From: Jethro Stapelbroek <ik@jethrostapelbroek.nl>
Date: Mon, 3 Jul 2023 19:54:00 +0200
Subject: [PATCH] Janitor Troubles

---
 janitortroubles.py | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 janitortroubles.py

diff --git a/janitortroubles.py b/janitortroubles.py
new file mode 100644
index 0000000..3d44052
--- /dev/null
+++ b/janitortroubles.py
@@ -0,0 +1,4 @@
+a, b, c, d = map(int, input().split())
+s = (a + b + c + d) / 2
+k = ((s - a) * (s - b) * (s - c) * (s - d)) ** 0.5
+print(k)