In this task you will be given a list of numbers. You should remove any number that is not an integer (whole number). If every number is not an whole number then an empty list ("[]") should be returned. Otherwise, answer with the list of whole numbers separated by comma inside brackets.
[-21.054, 18.917, -57.692, 32.57, -55.442, -15.343, 39, 14.963, 14.257]