Task: Program Execution
Input (English): 4, 13, ['6481', '3263', '2779', 'e', 'n', 'h', '4385', 'U', 'l', 'a', 'l', '2707', 'D', '9987', 'q', '2233', '1275', 'Q', '25', '5549']
Output (English): enh4385Ulal2707D