Task: Program Execution
Input (English): 6, ['9973', '8447', 'D', 'F', '8977', 'M', 'N', '8735', '6021', '6055', 'k', '1645', '3693', 'W', 'O', 'U']
Output (English): 9973, 8447, D, F, 8977, M