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diff --git a/docusaurus/src/theme/NotFound/redirectInput.tsx b/docusaurus/src/theme/NotFound/redirectInput.tsx
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+++ b/docusaurus/src/theme/NotFound/redirectInput.tsx
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+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+import { useEffect } from "react";
+
+const redirectInput = () => {
+  useEffect(() => {
+    const redirectToInputPage = () => {
+      const pathname = window.location.pathname;
+
+      const isExample = pathname.includes("/example");
+      if (!isExample) {
+        window.location.href = "/";
+        return;
+      }
+
+      const filename = pathname.split("/").pop();
+      if (!filename) {
+        window.location.href = "/";
+        return;
+      }
+
+      const topic = "topic " + filename.replace(/-/g, " ");
+      const url = new URL("/input/", window.location.href);
+      url.searchParams.set("i", topic);
+      window.location.href = url.href;
+    };
+
+    redirectToInputPage();
+  }, []); // The effect runs only once on mount
+};
+
+export default redirectInput;
+
+/*
+ * test case:
+ *
+ *   - Passing
+ *     - elementary-math
+ *       - Goal: https://www.wolframalpha.com/examples/mathematics/elementary-math
+ *       - Doesn't work: http://localhost/input?i=elementary+math
+ *       - Does work: http://localhost/input?i=topic+elementary+math
+ *     - common-core-math-functions
+ *       - Goal: https://wc.wolframalpha.com/examples/mathematics/common-core-math/common-core-math-functions
+ *       - Doesn't work: http://localhost/input?i=common+core+math+functions
+ *       - Does work: http://localhost/input?i=topic+common+core+math+functions
+ *
+ *   - Failing
+ *     - continuity
+ *       - Goal: https://www.wolframalpha.com/examples/mathematics/calculus-and-analysis/continuity
+ *       - Does not work: http://localhost/input?i=topic+continuity
+ *       - Does work: (not found yet)
+ *     - neuroscience
+ *       - Goal: https://www.wolframalpha.com/examples/science-and-technology/life-sciences/neuroscience
+ *       - Does not work: http://localhost/input?i=topic+neuroscience
+ *       - Does work: (not found yet)
+ *     - molecular-biology
+ *       - Goal: https://wc.wolframalpha.com/examples/science-and-technology/life-sciences/molecular-biology
+ *       - Does not work: http://localhost/input?i=topic+molecular+biology
+ *       - Does work: (not found yet)
+ *     - personal-finance
+ *       - Goal: https://www.wolframalpha.com/examples/everyday-life/personal-finance
+ *       - Does not work: http://localhost/input?i=topic+personal+finance
+ *       - Does work: (not found yet)
+ *
+ */