height = 1.75
weight = 80.5
a = int(height)
b = int(weight)
bmi = b/(a^2)
if bmi < 18.5:
    print('过轻')
elif bmi <=25:
    print('正常')
elif bmi <=28:
    print('过重')
elif bmi <= 32:
    print('过重')
else:
    print('严重过胖')
    pass