local s = io.read()
local t = {}
local f = {"1010", "1011", "1100", "1101", "1110", "1111"}
local n = #s
for i = 1, n do
  local v = s:byte(i) - 64
  table.insert(t, f[v])
end
s = table.concat(t)
n = #s
f = {"000", "001", "010", "011", "100", "101", "110", "111"}
local g = {}
for i = 1, 8 do g[i] = 0 end
for i = n, 1, -3 do
  local left = math.max(1, i - 2)
  local v = s:sub(left, i)
  if #v == 1 then
    v = "0" .. v
  end
  if #v == 2 then
    v = "0" .. v
  end
  for j = 1, 8 do
    if f[j] == v then g[j] = g[j] + 1 break end
  end
end
local ret = {}
for i = 1, 8 do
  local f = true
  for j = 1, 8 do
    if g[i] < g[j] then f = false end
  end
  if f then table.insert(ret, i - 1) end
end
-- print(table.concat(g, " "))
print(table.concat(ret, " "))