Task: Program Execution
Input (English): 16, 17, ['8971', 'B', 'o', '6485', '1409', '8731', 'R', '4071', 'Q', '5383', '5269', '6113', '6671', 'l', '6267', 'Z', '499', 'U', '721', '9997', '2389', '3255', 'T', '6929', 'L', '8209']
Output (English): 994Z