height = input('你的身高是多少M:')
height = float(height)
if 0.01<=height<=2.24:
print()
elif height<=0:
print("你肯定你是人嗎?")
else:
exit('請輸入正確的值')
weight = input('你的體重是多少KG:')
weight = float(weight)
BMI = weight/(height*height)
if BMI >=30:
print('重度肥胖')
elif BMI>=27:
print('肥胖')
elif BMI>=24:
print('偏胖')
elif BMI>=18.5:
print('正常')
else:
print('偏瘦')