Task: Program Execution
Input (English): 9, 12, ['7543', '2273', '7219', '1359', '1185', '7555', 'O', 'r', 'n', '439', '2317', 'M', 'u', 'h', 'g', '1283', '1511', '613']
Output (English): M, 2317, 439, n