class Main extends React.Component {
  render() {
    return (
      <div>
        <Search />
        <Results /> 
      </div>
    );
  }
}

class Search extends React.Component {
  render() {
    return (
      <div>
        <input type="text" />
        <button>Send</button>
      </div> 
    );
  }
}

class Results extends React.Component {
  render() {
    return (
      <ul>
        <ResultItem />
      </ul> 
    );
  }
}

class ResultItem extends React.Component {
  render() {
    return (
      <li>Doctor No</li> 
    );
  }
}


ReactDOM.render(<Main />, document.getElementById('root'));