{"trustable":false,"sections":[{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e2\n5 2\n1000 500\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e16\n924129523\u003c/pre\u003e"}}]}