{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"High School Physics"}},{"title":"","value":{"format":"HTML","content":"twice of that time?"}},{"title":"","value":{"format":"HTML","content":"Input\nThe input will contain two integers in each line."}},{"title":"","value":{"format":"HTML","content":"Output\nFor each line of input print a single integer"}},{"title":"","value":{"format":"HTML","content":"Sample Input\n1 1\n5 12"}},{"title":"","value":{"format":"HTML","content":"Sample Output\n0\n120"}}]}