Task: Program Execution
Input (English): 8, 12, ['1465', 'l', '6109', 's', '7769', '7171', '4521', 'O', '9993', 'O', '1719', '2281', '5459', 'x', '6759', 'A', 'Z', 'M']
Output (English): 18229171O3999O