Task: Program Execution
Input (English): 12, 19, ['K', '8353', '6559', 'I', '231', 'S', '9071', 'O', '7505', '5405', '1737', '5455', 'y', '3107', '8987', '1151', 'x', '1649', '4927', '5425', '3275']
Output (English): 5455, y, 3107, 8987, 1151, x, 1649, 4927