Task: Program Execution
Input (English): 3, 13, ['8173', '1619', '885', '4149', '7453', 'X', '8271', '8001', '4521', '2491', 'C', 'b', 'm', '2311', 'M', '7349', '2541']
Output (English): 88541497453X8271800145212491Cbm