diff --git a/src/inverseRobot.js b/src/inverseRobot.js
index 4906e020..122f6914 100644
--- a/src/inverseRobot.js
+++ b/src/inverseRobot.js
@@ -7,7 +7,22 @@
 */
 
 function inverseRobot(robot) {
-  // write code here
+  const KEYS_SET = new Set();
+  const VALUES_SET = new Set();
+
+  for (const [key, value] of Object.entries(robot)) {
+    if (KEYS_SET.has(key) || VALUES_SET.has(value)) {
+      return null;
+    }
+    KEYS_SET.add(key);
+    VALUES_SET.add(value);
+  }
+
+  const TRANSFORMED_OBJECT = Object.fromEntries(
+    Object.entries(robot).map(([key, value]) => [value, key])
+  );
+
+  return TRANSFORMED_OBJECT;
 }
 
 module.exports = inverseRobot;