Task: Program Execution
Input (English): 21, ['q', '1499', 'd', 'p', '1257', '6635', '4737', '2139', '6431', 'q', 'K', 'Q', 'm', 's', 'Q', '6253', 'L', '3257', 'P', 'f', 'R', 'b', '9821', 'y', '9287', '4225', '9765', 'O', '1537', '2531', '1081', '4021', '5057', '7517', '6475', 'L', 'G', '5919', '7631', '5919', 'd', 'Q', 'i', '8689', '4211', 'u', 'g']
Output (English): q, b, i