s = 2 * 2187**2020 + 729**2021 - 2 * 243**2022 +81**2023 - 2 * 27**2024 - 6561

t = []

while s > 0:

t.append(s % 27)

s //= 27

print(len([x for x in t if x > 9]))

s = sorted('0123456789qwertyuiopasdfghjklzxcvbnm')

for x in s[:29]:

x1 = '923' + str(x) + '874'

x2 = '524' + str(x) + '6152'

res = int(x1, 29) + int(x2, 29)

if res % 28 == 0:

res = res // 28

print(res)

for x in range(30,0,-1):

a = 9*29**6 + 2*29**5 + 3*29**4 + x*29**3 + 8*29**2 + 7*29 + 4

b = 5*29**7 + 2*29**6 + 4*29**5 + x*29**4 + 6*29**3 + 1*29**2 + 5*29 + 2

if (a+b)%28 == 0:

print((a+b)//28)

break

a='0123456789'+''.join([chr(x) for x in range(65,84)])

for i in a[::-1]:

s=int(f'923{i}874',29)+int(f'524{i}6152',29)

if s % 28 == 0:

print(s//28)

break

for x in range (3000, 1, -1):

t = 9*11**210 + 8*11**150 - x

c = 0

while t != 0:

if t % 11 == 0:

c += 1

t //= 11

if c == 60:

print(x)

exit()

m = []

for x in range (3000, 1, -1):

t = 9*11**210 + 8*11**150 - x

s = ''

while t:

s = str(t%11)+s

t //= 11

if s.count('0') - s.count('10') == 60:

m.append(x)

print(max(m))

m = [x for x in range(3000, 1, -1)

if (lambda x: (s := ''.join(str((9 * 11**210 + 8 * 11**150 - x) // (11 ** i) % 11)

for i in range(211)))[::-1].count('0') - s.count('10') == 60)(x)]

print(max(m))