Task: Program Execution
Input (English): 2, 2, ['P', 'M', '2403', 'j', '417', '7851', '3673', 'O', '9281', 'n', 't', 'G', '9875', 'H', '8081', '9231', '6069', '5997', '1539', 'i']
Output (English): M