# your code goes here
height=1.75
weight=75
username='小明'
bmi=weight/height**2
print(f'{username}您好，您的体质指数为{round(bmi,1)}')
if bmi>=18.5:
	print(f'{username}您好，您的指数偏瘦')
elif bmi>=24.9:
	print(f'{username}您好，您的指数正常')
elif bmi>=29.9:
	print(f'{username}您好，您的指数超重')
else:
	print(f'{username}您好，您的指数肥胖')