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.
[-31.015, 40, 13.965, -33.015, -19, -61.561, 34, -68.917, -3.899, 12.222]