height = input('请输入身高（m）:')

weight = input('请输入体重（KG）:')

age = input('请输入年龄:')

sex = input('请输入性别（男：1，女：0）:')

BMI = float(weight) / (float(height) * float(height))

per = 1.2 * BMI + 0.23 * int(age) - 5.4 - 10.8 * int(sex)

if sex == 1:

    if 15 > per > 18:

        print('体脂率为{0}合格'.format(str(per)))

    else:

        print('体脂率为{0}不合格'.format(str(per)))

else:

    if 25 < per < 28:

        print('体脂率为{0}合格'.format(str(per)))

    else:

        print('体脂率为{0}不合格'.format(str(per)))