Task: Program Execution
Input (English): 12, 13, ['8985', 'B', '7129', '6693', 'l', 's', '4447', '2837', 'r', 'G', 'q', 'R', 'a', 'C', '5095', '8299', 'a', 'E', '5751', '5317', 'B', 'L', '6481', '2983']
Output (English): Ra