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("");
}