#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, x = 1;
  cin >> n;
  string arr[n];
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
  }
  for (int i = 0; i < n && x == 1; i++) {
    string s = arr[i];
    for (int j = 0; j < 5; j++) {
      if (s[j] == 'O' && s[j + 1] == 'O') {
        cout << "YES" << endl;
        s[j] = '+';
        s[j + 1] = '+';
        arr[i] = s;
        x = 0;
        break;
      }
    }
  }
  if (x == 0) {
    for (int m = 0; m < n; m++) {
      cout << arr[m] << endl;
    }
  } else {
    cout << "NO" << endl;
  }
}
