import java.util.Scanner

object Main extends App {
  val sc = new Scanner(System.in)
  val str = sc.next
  val a = str.substring(0,1).toInt
  val b = str.substring(1,2).toInt
  val c = str.substring(2,3).toInt
  val d = str.substring(3,4).toInt
  val abcd = Seq(a,b,c,d)
  val digits = abcd.length - 1

  for (i <- 0 until 1 << digits) {
    val sb = new StringBuilder
    sb.append(abcd(0))
    var result = abcd(0)
    for (j <- 0 until digits; n = abcd(j+1)){
      if ((i >> j & 1) == 1) {
        sb.append('+')
        result += n
      }else{
        sb.append('-')
        result -= n
      }
      sb.append(n)
    }
    if(result == 7){
      sb.append("=7")
      println(sb.toString)
    }
  }
}