Task: Program Execution
Input (English): 3, ['6067', 'W', 'K', 'i', 'k', '8831', '2899', 'H', '3497', '463', 'x', '5059', 'V', 'S', 'L', 'M', '1377', 'X', '1815']
Output (English): 6067, W, K