func_code_string: #include <bits/stdc++.h>   using namespace std;   string s[1010];   int main() {     int n;     cin >> n;     bool f = 1;     for (int i = 0; i < n; ++i) {       cin >> s[i];       if (f && s[i].substr(0, 2) ==  OO ) {         f = 0;         s[i][0] =  + ;         s[i][1] =  + ;       }       if (f && s[i].substr(3, 2) ==  OO ) {         f = 0;         s[i][3] =  + ;         s[i][4] =  + ;       }     }     if (f) {       cout <<  NO ;     } else {       cout <<  YES  << endl;       for (int i = 0; i < n; ++i) cout << s[i] << endl;     }     return 0;   }   