# -*- coding: utf-8 -*-

height = 1.75

weight = 80.5

bmi = weight/(height**2)

if bmi<18.5:

   print('过轻')

elif bmi>=18.5 and bmi<25:

   print('正常')

elif 25 <= bmi < 28:

   print('过重')

elif 28 <= bmi < 32:

   print('肥胖')

else:

   print('严重肥胖')