using System;

public class Program

{

    public static void Main() //9.6.5.C#

    {

        int I, J, K, N=1;

        for(J = 1; J <= 5; J++) 

        {

            if (J==2) N=4; 

            else N=17;

            for (K=1;K<=3;K++)          

            {

                for(I = 1; I <= N; I++) 

                    if (J==4 && I<=N-4) Console.Write(" ");

                    else

                    Console.Write("O");

                Console.WriteLine("");

            }

        }

    }

}