from functools import *

def f(n):

if n >= 20:

return f(n-4) + 4620

else:

return 8*(g(n - 12) - 21)

@lru_cache()

def g(n):

if n >= 384242:

return n/4 + 18

else:

return 12 + g(n + 41)

for n in range(400000,1,-1):

g(n)

print(f(913))

f,g={},{}

for n in range(400000,-1,-1):

g[n] = n/4+18 if n >= 384242 else 12+g[n+41]

for n in range(12,1000):

f[n] = f[n-4]+4620 if n >= 20 else 8*(g[n-12]-21)

print(f[913])