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: [28, -16.613, -67.719, -19.823, 15.609, 11.391, -1, 50, 11.147]

[28, -1, 50]