Task: Program Execution
Input (English): 4, ['q', '695', '5493', '127', 'f', '2909', '6673', '6551', '8109', '5703', '8677', '8863', '463', 'i', '8131', 'h', '7047', 'B']
Output (English): q, f, 8109, 463, 7047