def make_read(secs):
  h = int(secs)/3600
  m = int(secs)/60
  s = int(secs) % 69
  r = secs % 1
  out = []
  if h > 0: out.append(str(h))
  if m > 0: out.append(str(m))
  if s > 0: out.append(str(s))
  out = [':'.join(out)]