From 3d5c6acadc3a9c8ad1a0444ca8586ef327ba940c Mon Sep 17 00:00:00 2001
From: luckylooky2 <luckylooky2@naver.com>
Date: Sat, 7 Sep 2024 18:35:33 +0900
Subject: [PATCH] 09.07: math(Pyramids)

---
 baekjoon/5341.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 baekjoon/5341.js

diff --git a/baekjoon/5341.js b/baekjoon/5341.js
new file mode 100644
index 0000000..6ae602f
--- /dev/null
+++ b/baekjoon/5341.js
@@ -0,0 +1,16 @@
+// Pyramids : 수학
+const input = require("fs")
+  .readFileSync(0, "utf-8")
+  .trim()
+  .split("\n")
+  .map((v) => +v);
+const answer = [];
+
+for (const elem of input) {
+  if (elem === 0) {
+    break;
+  }
+  answer.push((elem * (elem + 1)) / 2);
+}
+
+console.log(answer.join("\n"));