Task: Program Execution
Input (English): 8, 17, ['2971', 'M', '6369', 'c', '6201', 'U', '7515', 's', 'A', '8589', '5767', '6731', '4699', '8081', '2025', '3985', '145', '721', 'a', 'k']
Output (English): sA8589576767314699808120253985145