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

height = 1.75
weight = 80.5
bmi = weight/(height*height)
if bmi<18.5:
    print('bmi指数:%.2f'%bmi,'过轻')
elif 18.5<=bmi<25:
    print('bmi指数:%.2f'%bmi,'正常')
elif 25<=bmi<28:
    print('bmi指数:%.2f'%bmi,'过重')
elif 28<=bmi<32:
    print('bmi指数:%.2f'%bmi,'肥胖')
else:
    print('bmi指数:%.2f'%bmi,'严重肥胖')