Task: Program Execution
Input (English): 3, 7, ['S', 'N', 'q', 'c', '3329', 'l', '9991', 'X', 'b', 'p', '4623', '6829', '5807', '5469', '5185', 'N', 'U', '6645', '695', 'O', 'b', 'U', 'Z']
Output (English): q, p, U