Task: Program Execution
Input (English): 9, ['P', 'K', '5045', 'L', '4911', '1765', '9549', '6265', 'X', '2161', 'X', '479', '9803', 'u', '4001', '4103', 'A', '5259', '8673', '7281', 'z', 'D', 'f', '6831']
Output (English): P, K, 5045, L, 4911, 1765, 9549, 6265, X