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

height = 1.75
weight = 80.5

bmi = weight/(height*height)

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')