Task: Program Execution
Input (English): 3, 3, ['8515', 'N', 'q', 'P', '6181', 'M', '7187', '6565', '5561', 'L', '253', '7297', '7985', '6229', 'e', '6989', '1625', '2153', '4295', 'v', '6807', '737', 't', '1457', 't', 'a', 'x', 'j', '5169']
Output (English): q