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

height = input('height(m):')

weight = input('weight(kg)')

height = float(height)

weight = int(weight)

bmi = weight/(height)**2

bmi=float(bmi)

if bmi >32:

   print('严重肥胖')

elif bmi >28:

   print('肥胖')

elif bmi >25:

   print('过重')

elif bmi >18.5:

   print('正常')

else:

   print('过轻')