Task: Program Execution
Input (English): 17, 18, ['5057', 'O', '4131', '8473', 'F', '4021', '1195', 'g', '1035', '9915', 'M', 'G', 'l', '8927', 'Y', 'z', 'e', '3977', '6179', '3371', '701']
Output (English): 3977e