Task: Program Execution
Input (English): 5, ['2989', '6635', '1955', '5665', '3199', '9865', 'O', '8761', 'v', 'e', '7725', '2737', 'B', '9377', 'Z', '3721', '1535']
Output (English): 2989, 9865, 7725, 3721