Task: Program Execution
Input (English): 5, 5, ['1533', 'u', '1355', 'S', '2509', '1525', 'M', 'B', '1363', 'K', '8531', '4475', 'X', '3493', 'V', '4761', '9077', 'k', 'e', '8131', '8453', 'G']
Output (English): 2509