#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  vector<int> a;
  vector<string> ss;
  bool possible = false;
  for (int i = 0; i < n; ++i) {
    string s;
    cin >> s;
    if (!possible) {
      if (s.substr(0, 2) == "OO") {
        possible = true;
        s[0] = '+';
        s[1] = '+';
      } else if (s.substr(3, 2) == "OO") {
        possible = true;
        s[3] = '+';
        s[4] = '+';
      }
    }
    ss.push_back(s);
  }
  if (possible) {
    cout << "YES\n";
    for (int j = 0; j < n; ++j) {
      cout << ss[j] << '\n';
    }
  } else {
    cout << "NO";
  }
  return 0;
}
