Task: Program Execution
Input (English): 5, 18, ['7219', '7083', '5199', '4235', 'C', 'U', '5947', 'c', 'A', 'q', 'B', '2493', '9719', '8663', 'b', 'Q', 'U', 'k', '2559', 'n', 'B', '4091', 'q', '9935']
Output (English): kUQb866397192493BqAc5947UC