import java.util.*;
public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String s = sc.next();
    int A = Character.getNumericValue(s.charAt(0));
    int B = Character.getNumericValue(s.charAt(1));
    int C = Character.getNumericValue(s.charAt(2));
    int D = Character.getNumericValue(s.charAt(3));
    if(A+B+C+D==7){
      System.out.println(A+"+"+B+"+"+C+"+"+D+"=7");
    }else if(A-B+C+D==7){
      System.out.println(A+"-"+B+"+"+C+"+"+D+"=7");
    }else if(A+B-C+D==7){
      System.out.println(A+"+"+B+"-"+C+"+"+D+"=7");
    }else if(A+B+C-D==7){
      System.out.println(A+"+"+B+"+"+C+"-"+D+"=7");
    }else if(A-B-C+D==7){
      System.out.println(A+"-"+B+"-"+C+"+"+D+"=7");
    }else if(A-B+C-D==7){
      System.out.println(A+"-"+B+"+"+C+"-"+D+"=7");
    }else if(A+B-C-D==7){
      System.out.println(A+"+"+B+"-"+C+"-"+D+"=7");
    }else if(A-B-C-D==7){
      System.out.println(A+"-"+B+"-"+C+"-"+D+"=7");
    }
  }
}

/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