diff --git a/Week5/5397_KeyLogger.js b/Week5/5397_KeyLogger.js
new file mode 100644
index 0000000..4645bbe
--- /dev/null
+++ b/Week5/5397_KeyLogger.js
@@ -0,0 +1,23 @@
+const input = require("fs").readFileSync("GitHub/stdin").toString().trim().split("\n").map((str) => str.trim())
+const [T, ...Pwd] = input;
+
+function keylogger(T, Pwd) {
+    Pwd.map((pwd) => {
+        let [answer, tmp] = [[], []];
+        pwd.split("").map((str) => {
+            if (v === "<") {
+                if (answer.length !== 0) tmp.push(answer.pop());
+            } else if (v === ">") {
+                if (tmp.length !== 0) answer.push(tmp.pop());
+            } else if (v === "-") {
+                answer.pop();
+            } else {
+                answer.push(str);
+            }
+        });
+        console.log([...answer, ...tmp.reverse()].join(""));
+    });
+
+}
+
+keylogger(T, Pwd);
\ No newline at end of file