Task: Program Execution
Input (English): 20, 20, ['8275', 'P', '6117', 'k', '6877', '2799', 'C', '2565', '9451', '1491', 'y', 'P', '8449', '5915', 'd', '9985', '191', '6893', '5579', 'O', 'u', '9915', 'e', 'G', 'B', '5775', '8823']
Output (English): O