# -*- coding: utf-8 -*-
height=1.75
weight=80.5
bmi=weight/(height * height)
if bmi<18.5:
	print('过轻')
elif bmi>18.5 and  bmi<25:
	print('正常')
elif bmi>25 and bmi<28:
	print('过重')
elif bmi>28 and bmi<32:
	print('肥胖')
else:
	print('严重肥胖')
	