object Main extends App {
  import scala.util.control.Breaks._
  val nums = io.StdIn.readLine().toCharArray.map(_-48)
  breakable {
    for (bit <- 0 until 1 << 3) {
      var acc = nums(0)
      val builder = StringBuilder.newBuilder
      builder.append(nums(0))
      for (i <- 0 to 2; n = nums(i+1)) {
        val n = nums(i+1)
        if ((bit >> i & 1) == 0) {builder.append('+'); acc = acc + n}
        else {builder.append('-'); acc = acc - n}
        builder.append(n)
      }
      if (acc == 7) {println(builder.toString() + "=7"); break}
    }
  }
}