Task: Program Execution
Input (English): 9, ['7573', 'N', 'x', 'C', '9237', '6291', 'n', 'X', '4697', '3897', '4545', 'K', 'B', 'y', '8941', 'r', '1425', '4015', '5555', '6963', 'r', 'I', '2233']
Output (English): 3897, 4545, K, B, y, 8941, r, 1425, 4015, 5555, 6963, r, I, 2233