import React, { useState, useEffect } from 'react';

function App() {
  const [count, setCount] = useState(0);

  useEffect(() => {
    document.title = `شمارش: ${count}`;
  });

  return (
    <div>
      <p>شمارش: {count}</p>
      <button onClick={() => setCount(count + 1)}>افزایش شمارش</button>
    </div>
  );
}

export default App;