Task: Program Execution
Input (English): 9, 18, ['3241', 'r', '729', '7641', 'L', '979', 'a', '1703', 't', 'Y', '1567', '4879', '7083', '5877', '6695', 'q', '1795', 'Y', 'Q', 'H']
Output (English): Y5971q59667785380797847651Yt