Task: Program Execution
Input (English): 4, 13, ['7413', '1645', 'l', 'H', 'y', '5935', '8057', '9121', '5153', 'J', '95', 'c', '2423', 'I', '3637', 'W', '1657']
Output (English): 2423c95J5153912180575935yH