Task: Program Execution
Input (English): 14, 21, ['M', '5093', 'X', 'L', '7343', '1075', '8591', 'q', '3153', 'u', '9631', '303', 'J', '337', '857', 'f', '9503', 'l', '3577', '6999', 'f', 'E', '8043', 'l', 'Y', '6023', '9847']
Output (English): f99967753l3059f758733