Task: Program Execution
Input (English): 2, 3, ['8515', '9449', 'W', 'S', 'r', 'v', 'x', '9517', 'T', 'd', 'W', '4171', 'H', '7793', '9017', 's', '3395', 'B', 'U', '2423', '9815', 'W', '5727', '8375']
Output (English): 9449