题解 | #密码强度等级#

lst_symbol ='''!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~'''

s = input()

score = 0
# lenth
if len(s) <= 4:
    score += 5
if 5 <= len(s) <= 7:
    score += 10
elif len(s) >= 8:
    score += 25
# counter
low = 0
up = 0
digit = 0
symbol = 0
extra = 0  # reward of alpha
# classify
for i in s:
    if i.isupper():
        up += 1
    if i.islower():
        low += 1
    if i.isdigit():
        digit += 1
    if i in lst_symbol:
        symbol += 1
# alpha
if low == 0 and up != 0 or low != 0 and up == 0:
    score += 10
    extra = 1
if low != 0 and up != 0:
    score += 20
    extra = 2
# digit
if digit == 1:
    score += 10
if digit > 1:
    score += 20
# symbol
if symbol == 1:
    score += 10
if symbol > 1:
    score += 25
# reward
if extra == 1 and digit and not symbol:
    score += 2
if extra == 1 and digit and symbol:
    score += 3
elif extra == 2 and digit and symbol:
    score += 5
# result
if score < 25:
    r = 'VERY_WEAK'
elif score < 50:
    r = 'WEAK'
elif score < 60:
    r = 'AVERAGE'
elif score < 70:
    r = 'STRONG'
elif score < 80:
    r = 'VERY_STRONG'
elif score < 90:
    r = 'SECURE'
else:
    r = 'VERY_SECURE'
print(r)