height = input()

weight = input()

h=float(height)

w=float(weight)

bmi = w/pow(h,2)

if bmi < 18.5: print('过轻')

elif bmi < 25: print('正常')

elif bmi < 28: print('过重')

elif bmi < 32: print('肥胖')

else: print('严重肥胖')