Task: Program Execution
Input (English): 8, 9, ['H', '3307', 'm', 'W', 'x', '1271', '4601', 'B', '4015', '3837', 'r', 'G', 'V', 'u', 'H', '2625', 'p', 'N', '2879', '921', 'D', '5189', 'w', '4597', '5973', '9111']
Output (English): B, 4015