Background

Description

python-面向对象-创建鸟类的基类Bird，并定义企鹅、鹬鸵和麻雀作为鸟类的子类，并定义其大小和能否飞行，且判断是否能游泳

Format

Input

Output

Samples

企鹅 110
swim
unable to fly
byebye
鹬鸵 66
unable to swim
unable to fly
byebye
麻雀 15
unable to swim
fly
byebye

Limitation

1s, 1024KiB for each test case.