From 02c78bc9a5f95c840d50ed519988dbbf7336828c Mon Sep 17 00:00:00 2001
From: songyc macbook <gitea@gitea>
Date: Tue, 24 Feb 2026 22:19:44 +0900
Subject: [PATCH] baekjoon 20260224

---
 code_study/Baekjoon/python/3053.py | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 code_study/Baekjoon/python/3053.py

diff --git a/code_study/Baekjoon/python/3053.py b/code_study/Baekjoon/python/3053.py
new file mode 100644
index 0000000..7f25d13
--- /dev/null
+++ b/code_study/Baekjoon/python/3053.py
@@ -0,0 +1,3 @@
+from math import pi as p
+R = int(input())
+print('\n'.join(map(str,[round(p*R**2,6) if i == 0 else 2*R**2 for i in range(2)])))
\ No newline at end of file