---

def v3(n):
  s = ""
  while n > 0:
    s = str(n % 3) + s
    n //= 3
  return s

min_r = []
for N in range(1, 100000):
  v33 = v3(N)
  if N % 3 == 0:
    v33 += v33[-2:]
  else:
    v33 += v3((N % 3) * 5)
  r = int(v33, 3)
  if r > 133:
    min_r.append(r)
print(min(min_r))