object Main {
  def main(args: Array[String]): Unit = {
    io.Source.stdin.getLines().foreach(rec)
  }

  def rec(s: String): Unit = {
    if (!s.matches(""".*(the|that|this).*""")) {
      rec(s.map({
        case cc if 'a' to 'z' contains cc => (((cc - 'a' + 1) % 26) + 'a').toChar
        case ch => ch
      }))
    } else println(s)
  }
}