import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);
        int N = scan.nextInt();
        int A, B, C, D;
        D = N % 10;
        N /= 10;
        C = N % 10;
        N /= 10;
        B = N % 10;
        N /= 10;
        A = N;

        if (A + B + C + D == 7) System.out.printf("%d+%d+%d+%d=7", A, B, C, D);
        else if (A + B + C - D == 7) System.out.printf("%d+%d+%d-%d=7", A, B, C, D);
        else if (A + B - C + D == 7) System.out.printf("%d+%d-%d+%d=7", A, B, C, D);
        else if (A + B - C - D == 7) System.out.printf("%d+%d-%d-%d=7", A, B, C, D);
        else if (A - B + C + D == 7) System.out.printf("%d-%d+%d+%d=7", A, B, C, D);
        else if (A - B + C - D == 7) System.out.printf("%d-%d+%d-%d=7", A, B, C, D);
        else if (A - B - C + D == 7) System.out.printf("%d-%d-%d+%d=7", A, B, C, D);
        else if (A - B - C - D == 7) System.out.printf("%d-%d-%d-%d=7", A, B, C, D);
    }
}
/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