Task: Program Execution
Input (English): 1, 13, ['1963', 'l', '8291', 'K', 'q', '5567', '5123', 'L', '6155', '1313', 'U', '9199', '8555', '7115', 'X', 'U', 'e', '8077']
Output (English): 85559199U13136155L51235567qK8291l1963