Task: Program Execution
Input (English): 2, 8, ['t', 'c', 'B', '3929', '8355', 'n', 'C', '109', '3407', 'F', 'K', '1257', 'R', '4737', 'L', 'M', '6181', '239', 'x', 'u', 'X', '1191', '6421', 'O', '9989', 'b', 'Y', 'W']
Output (English): c, F, 239, b