Task: Program Execution
Input (English): 5, 20, ['q', '4599', '8211', '9005', 'g', '5431', '8535', '3029', '8983', 'Q', 'j', '4665', 'U', 'u', 'm', '1399', 'Y', 'P', '1601', 'q', 'j', '975', 'Y', 'O', 'M', 'W']
Output (English): g5431853530298983Qj4665Uum1399YP1601q