Task: Program Execution
Input (English): 1, 14, ['L', '4869', '8243', '1229', '9543', 'E', 'c', '923', 'F', '6369', 'D', '19', '8789', '8889', 'y', 'q', 'E']
Output (English): L4869824312299543Ec923F6369D1987898889