#include<bits/stdc++.h>
    using namespace std;
    int main()
    {
       int a,flag = 0;
       cin>>a;
       string s,b[1001];
       for(int i=1;i<=a;i++)
       {
           cin>>s;
           if(s[0] == 'O' && s[1] == 'O' && flag == 0)
           {
               s[0] = '+';
               s[1] = '+';
               flag = 1;
           }

           if(s[3]== 'O' && s[4] == 'O' && flag == 0)
           {
               s[3] = '+';
               s[4] = '+';
               flag = 1;
           }
           b[i] = s;
       }

       if(flag == 1 )
       {
           cout<<"YES"<<endl;
           for(int i=1;i<=a;i++)
           {
               cout<<b[i]<<endl;
           }
       }

       else
        cout<<"NO"<<endl;
    }