From a4fb8c242300479df9dd4cc714b12e28529258f1 Mon Sep 17 00:00:00 2001
From: songyc macbook <gitea@gitea>
Date: Mon, 30 Mar 2026 22:27:54 +0900
Subject: [PATCH] baekjoon 20260330

---
 code_study/Baekjoon/python/2997.py | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 code_study/Baekjoon/python/2997.py

diff --git a/code_study/Baekjoon/python/2997.py b/code_study/Baekjoon/python/2997.py
new file mode 100644
index 0000000..dab6224
--- /dev/null
+++ b/code_study/Baekjoon/python/2997.py
@@ -0,0 +1 @@
+print((lambda a, b, c : c + (c - b) if a+c == 2*b else (a + c) - b)(*sorted(list(map(int, input().split())))))
\ No newline at end of file