element types of 1,1,2-trimethylcyclopentane vs (2R,3R)-3-phenylglycidol

1, 1, 2-trimethylcyclopentane (2R, 3R)-3-phenylglycidol | element types

1, 1, 2-trimethylcyclopentane | carbon | hydrogen (2R, 3R)-3-phenylglycidol | carbon | hydrogen | oxygen