#!/usr/bin/python3
#CalBMIv1.py
height,weight = eval(input("请输入身高（米）和体重\（公斤）[逗号隔开]："))
bmi = weight / pow(height,2)
print("BMI 数值为:{:.2f}".format(bmi))
who = ""
if bmi < 18.5:
	who = "偏瘦"
elif 18.5 <= bmi < 25:
	who = "正常"
elif 25 <= bmi < 30:
	who = "偏胖"
else:
	who = '肥胖'
print("BMI 指标为：国际'{0}'".format(who))
