#include <iostream>
#include <iomanip>
#include <string>
#include <algorithm>
using namespace std;
int main() {
  #ifdef local
  freopen("pro.in", "r", stdin);
  #endif // ifdef local
  string s;
  cin >> s;
  int  A = 0, B = 0; // Ax+B=0
  bool is_right_side = false;
  char variable_name;
  int  cur = 0, flg = 1;
  for (int i = 0; i < s.size(); i++) {
    if (('0' <= s[i]) && (s[i] <= '9')) {
      cur = cur * 10 + s[i] - '0';
    } else if (s[i] == '=') {
      B            += cur * flg;
      cur           = 0;
      flg           = 1;
      is_right_side = true;
    } else if (('a' <= s[i]) && (s[i] <= 'z')) {
      if (((i - 1 >= 0) && !(('0' <= s[i - 1]) && (s[i - 1] <= '9'))) ||
          (i == 0)) cur = 1;
      variable_name = s[i];
      if (!is_right_side) A += cur * flg;
      else A -= cur * flg;
      cur = 0;
      flg = 1;
    } else {
      if ((i - 1 >= 0) && ('0' <= s[i - 1]) && (s[i - 1] <= '9')) {
        if (!is_right_side) B += cur * flg;
        else B -= cur * flg;
        cur = 0;
        flg = 1;
        if (s[i] == '-') flg = -1;
      } else {
        if (s[i] == '-') flg *= -1;
      }
    }
  }
  B -= cur * flg;
  double res = -double(B) / A;
  cout << variable_name << "=" << fixed << setprecision(3) << res << endl;
  return 0;
}