{"trustable":false,"sections":[{"title":"题意","value":{"format":"PLAIN","content":"丑数是指不能被2,3,5以外的其他素数整除的数。把丑数从小到大排列起来,结果如下:\n1,2,3,4,5,6,8,9,10,12,15……\n求第1500个丑数"}},{"title":"输入","value":{"format":"PLAIN","content":"没有输入"}},{"title":"输出","value":{"format":"PLAIN","content":"The 1500\u0027th ugly number is \u003cnumber\u003e."}}]}