bmi = weight/(height*height)
if bmi>32:
      print('严重肥胖，注意减肥')
elif bmi>28:
      print('肥胖，注意减肥')
elif bmi>25:
      print('有点肥哦，你这头猪')
elif bmi>18.5:
      print('哎哟不错，刚刚好')
else:
      print('太瘦了，小心起风')