Task: Program Execution
Input (English): 8, ['M', 'q', 'C', 'F', '5845', 's', '9019', 'J', 'm', '9553', 'v', 'O', 'Q', 'g', 'M', '6843', 'X', '657', '417', '1173', 'V', '9755', '249', 'P', 'B']
Output (English): M, m, X, B