Task: Program Execution
Input (English): 5, ['6901', 'O', '1679', '6549', '7531', 'Q', 'k', 'B', 'V', '2661', 'N', '3245', '1481', 'b', '4835', 'i', '1781', 'd', 'h', '5921']
Output (English): 6901, O, 1679, 6549, 7531