Task: Program Execution
Input (English): 18, 20, ['2883', 'W', '6659', '1419', 'J', 'A', '8547', 'G', 'd', 'V', 'k', '4755', '4949', 'S', 't', 'G', '5717', 'W', '1851', '6207', '4067', 'w', 'S', '5911', '247', '1989']
Output (English): 70261581W