Task: Program Execution
Input (English): 1, 8, ['8689', '761', '4233', '4837', 'z', '4511', '1017', 'c', '7395', '3065', '4805', 'w', '7587', '4917', 'q', '2291', 'R', 'O', '6847']
Output (English): c10174511z483742337618689