from functools import lru_cache
@lru_cache(maxsize=None)
def f(n):
  ans = [0]
  use = []
  now = 0
  while n != 0:
    if n & 1:
      use.append(now)
    now += 1
    n >>= 1
  for i in use:
    ans += f(i)
    ans.append(2)
  if ans[-1] == 2:
    ans.pop()
  ans.append(1)
  return ans

ans = f(int(input()))
for i in range(len(ans)):
  if ans[i] == 0:
    ans[i] = "{"
  elif ans[i] == 1:
    ans[i] = "}"
  else:
    ans[i] = ","

print("".join(ans))