Task: Program Execution
Input (English): 9, 18, ['8869', 'R', 'E', '6743', 'q', 'J', '1855', 'H', '9153', '9529', 'X', 'J', '6007', '2531', '785', '2987', '5847', 'B', 'P', 'n', '9337']
Output (English): 91539529XJ6007253178529875847B