import java.util.Scanner;

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");
		}

		sc.close();

	}

}
/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