Task: Program Execution
Input (English): 7, ['4543', '1423', 'x', '9273', '8181', '2203', '7709', '2585', 'D', 'G', 'S', '9513', '1131', '6079', '9739', '2673', '6485', 'T', '6863', 'U', 'G', '5433', 'A', 'A', '229']
Output (English): 4543, 2585, 9739, 5433