#include <bits/stdc++.h>
using namespace std;
int main() {
  string s;
  cin >> s;
  int a = s[0] - '0';
  int b = s[1] - '0';
  int c = s[2] - '0';
  int d = s[3] - '0';
  if (a + b + c + d == 7) {
    cout << a << "+" << b << "+" << c << "+" << d << "=" << 7 << endl;
    return 0;
  } else if (a - b + c + d == 7) {
    cout << a << "-" << b << "+" << c << "+" << d << "=" << 7 << endl;
    return 0;
  } else if (a + b - c + d == 7) {
    cout << a << "+" << b << "-" << c << "+" << d << "=" << 7 << endl;
    return 0;
  } else if (a - b - c + d == 7) {
    cout << a << "-" << b << "-" << c << "+" << d << "=" << 7 << endl;
    return 0;
  } else if (a + b + c - d == 7) {
    cout << a << "+" << b << "+" << c << "-" << d << "=" << 7 << endl;
    return 0;
  } else if (a - b + c - d == 7) {
    cout << a << "-" << b << "+" << c << "-" << d << "=" << 7 << endl;
    return 0;
  } else if (a + b - c - d == 7) {
    cout << a << "+" << b << "-" << c << "-" << d << "=" << 7 << endl;
    return 0;
  } else if (a - b - c - d == 7) {
    cout << a << "-" << b << "-" << c << "-" << d << "=" << 7 << endl;
    return 0;
  }
}
