Task: Program Execution
Input (English): 9, ['7021', 'x', 'A', '6879', 'M', '5911', '8029', 'E', '317', 'O', '3357', '227', 'B', '6247', '8881', '1543', '3035', '1157']
Output (English): 7021, x, A, 6879, M, 5911, 8029, E, 317