def getBMI(weight, height): BMI = weight/((height/100)**2) if BMI < 18.5: print('Underweight') elif BMI >= 18.5 and BMI <= 23.9: print('Normal') elif BMI > 23.9 and BMI <= 27.9: print('Overweight') else: print('Obese') while True: try: weight, height = map(int, input().split()) getBMI(weight, height) except EOFError: break