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

height = 1.75

weight = 80.5

BMI = weight/(height*height)

if BMI < 18.5:

    print('过轻')

elif 18.5 < BMI < 25:

    print('正常')

elif 25 < BMI < 28:

    print('过重')

elif 28 < BMI < 32:

    print('肥胖')

elif BMI > 32:

    print('严重肥胖')