Definition: 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.
Input: [-81.159, 1.647, 67.265, 3.682, -56.519, 61, 12.591, 18, -45, -39]

[61, 18, -45, -39]