function myout(text){console.log(text);}//standard output
function Main(input) {
	//input = parseInt(input);
	//input = input.trim().split(" ");
	//input = input.trim().split("\n");
	//input = input.trim().split(" ").map((a)=>Number(a));
	//input = input.trim().split("\n").map((a)=>Number(a));
  input = input.split("").map((a)=>Number(a));
  var opList = ["+", "-"];
  var output = [input[0], "", input[1], "", input[2], "", input[3], "=7"];
  for(var i = 0; i < opList.length; i++){
    for(var j = 0; j < opList.length; j++){
    	for(var k = 0; k < opList.length; k++){
    		var sum = input[0];
          if(opList[i] == "+"){
               sum += input[1];
            }else{
              sum -=  input[1];
            }
          if(opList[j] == "+"){
               sum += input[2];
            }else{
              sum -=  input[2];
            }
          if(opList[k] == "+"){
               sum += input[3];
            }else{
              sum -=  input[3];
            }
          //myout(sum);
          if(sum == 7){
             output[1] = opList[i];
            output[3] = opList[j];
            output[5] = opList[k];
            break;
             }
  		}
  	}
  }
  myout(output.join(""));
}

Main(require("fs").readFileSync("/dev/stdin", "utf8").trim());
