Task: Program Execution
Input (English): 15, 18, ['2121', 'x', 'l', '2565', 'J', 'r', '5363', '6581', '1905', '845', '3467', 'l', '3515', '1201', 'o', 'i', '8023', '6243', 'y', '5241', '1435', '8745', '9233', '8811', 'S', 'w', '3035', '8649']
Output (English): o, i, 8023, 6243