m=int(input())
h=float(input())
bmi=m/h**2
if bmi<18.5:
    print("Underweight")
elif 18.5 <= bmi and bmi< 24:
    print("Normal")
else:
    print(format(bmi,".6g"))
    print("Overweight")

题目：P5714 【深基3.例7】肥胖问题