import Data.List (isPrefixOf)

palis (x:xs) = 1 : inner 1 [x] xs where
  inner _ _  [] = []
  inner n rs (x:xs) =
    (if isPrefixOf rs (x:xs) then (n*2   :) else id) $
    (if isPrefixOf rs xs     then (n*2+1 :) else id) $ inner (n+1) (x:rs) xs

compute src = length ans where
  len = length src
  l1s = palis $ take (len-3) src
  l1l2s = [ l1 + l2 | l1 <- l1s, let rest = drop l1 (take (len-2) src), l2 <- palis rest ]
  l3s = palis $ reverse $ drop 3 src
  ans = [ () | l1l2 <- l1l2s, l3 <- takeWhile (len - l1l2 >) l3s]

main = do
  l <- getLine
  print $ compute l