import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    
    String[] list = sc.next().split("");
    
    for(int i = 0; i < Math.pow(2, list.length - 1); i++) {
      int total = Integer.parseInt(list[0]);
      StringBuilder answer = new StringBuilder(list[0]);
      for(int j = 0; j < list.length - 1; j++) {
        
        if((1&i>>j) == 1) {
          total += Integer.parseInt(list[j + 1]);
          answer.append("+").append(list[j + 1]);
        } else {
          total -= Integer.parseInt(list[j + 1]);
          answer.append("-").append(list[j + 1]);
        }
      }
      if(total == 7) {
        System.out.println(answer.append("=7").toString());
        break;
      }
    }  
  }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz