function Main(input) {
  const S = input.trim()
  let set = new Set()
  function rec(str, r) {
    if (str.length === 0) {
      set.add(r)
    } else {
      rec(str.slice(1), r + str.slice(0, 1))
      const rev = str.split('').reverse().join('')
      rec(rev.slice(1), r + rev.slice(0, 1))
    }
  }
  rec(S, "")
  console.log(set.size)
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"))