diff --git "a/leetcode3/\355\231\251\354\235\200\354\247\200/4020. Elevator Requests I.js" "b/leetcode3/\355\231\251\354\235\200\354\247\200/4020. Elevator Requests I.js"
new file mode 100644
index 00000000..605db7f5
--- /dev/null
+++ "b/leetcode3/\355\231\251\354\235\200\354\247\200/4020. Elevator Requests I.js"	
@@ -0,0 +1,15 @@
+/**
+ * @param {number} n
+ * @param {number[]} requests
+ * @return {number}
+ */
+var elevatorRequests = function (n, requests) {
+  let seconds = 0;
+
+  for (let i = 0; i < requests.length; i++) {
+    if (i !== 0) seconds += Math.abs(requests[i] - requests[i - 1]);
+    else seconds += requests[i];
+  }
+
+  return seconds;
+};