#include<iostream>
#include<string>
using namespace std;
int main(){
  string S,ans="";
  cin>>S;
  int sum = 0;
  for(int i=0;i<8;i++){
    sum=S[0]-'0';
    ans=S[0];
    for(int k=0;k<3;k++){
      if(i & (1<<k)){
        sum=sum+(S[k+1]-'0');
        ans=ans+"+"+S[k+1];
      }else{
        sum=sum-(S[k+1]-'0');
        ans=ans+"-"+S[k+1];
      }
    }
    if(sum==7){
      break;
    }
  }
  cout<<ans+"=7"<<endl;
  return 0;
}
