Task: Program Execution
Input (English): 2, 4, ['L', '4919', 'p', '3173', '3593', 'e', '9817', '7081', '2821', '9275', 'X', '9899', '9649', '987', '3367', 'D', 'b', '4997']
Output (English): 4919, e, 9275, 987, 4997