{"trustable":false,"sections":[{"title":"","value":{"format":"MD","content":"## 提交按鈕在左側\n\n## The submit button is on the left"}},{"title":"Sample Input","value":{"format":"MD","content":"\u003cpre\u003e3\n([])\n(([()])))\n([()[]()])()\u003c/pre\u003e\n"}},{"title":"Sample Output","value":{"format":"MD","content":"\u003cpre\u003eYes\nNo\nYes\u003c/pre\u003e"}}]}