import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        @SuppressWarnings("resource")
        Scanner sc = new Scanner(System.in);
        String s  = sc.next();
        int a = Integer.valueOf(s.substring(0, 1));
        int b = Integer.valueOf(s.substring(1, 2));
        int c = Integer.valueOf(s.substring(2, 3));
        int d = Integer.valueOf(s.substring(3, 4));
        if (a + b + c + d == 7) {
            System.out.println(a + "+" + b + "+" + c + "+" + d + "=7");
            return;
        }
        if (a + b + c - d == 7) {
            System.out.println(a + "+" + b + "+" + c + "-" + d + "=7");
            return;
        }
        if (a + b - c + d == 7) {
            System.out.println(a + "+" + b + "-" + c + "+" + d + "=7");
            return;
        }
        if (a + b - c - d == 7) {
            System.out.println(a + "+" + b + "-" + c + "-" + d + "=7");
            return;
        }
        if (a - b + c + d == 7) {
            System.out.println(a + "-" + b + "+" + c + "+" + d + "=7");
            return;
        }
        if (a - b + c - d == 7) {
            System.out.println(a + "-" + b + "+" + c + "-" + d + "=7");
            return;
        }
        if (a - b - c + d == 7) {
            System.out.println(a + "-" + b + "-" + c + "+" + d + "=7");
            return;
        }
        if (a - b - c - d == 7) {
            System.out.println(a + "-" + b + "-" + c + "-" + d + "=7");
            return;
        }
    }

}
/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