using System;

public class Program

{

    public static void Main()

    {

            Console.WriteLine("                    FFFFFFFFFFFFFFF                 ");

            Console.WriteLine("                FFFFFF         FFFFFFFF             ");

            Console.WriteLine("              FF                 FFFFFFFF           ");

            Console.WriteLine("            FF                     FFFFFFFF         ");

            Console.WriteLine("           FF                           FFFF        ");

            Console.WriteLine("          FF                            fFFFF       ");

            Console.WriteLine("         F FF                             FFFFF     ");

            Console.WriteLine("         FF  F                           FFFFFF     ");

            Console.WriteLine("        FF   F                          FFFFFFFF    ");

            Console.WriteLine("        FF    F               FFFFFFFFFFFFFFFFFF    ");

            Console.WriteLine("        FFF    F              FFFFFFFFFFFFFFFFFF    ");

            Console.WriteLine("        FFF    F              FFFFFFFFFFFFFFFFFF    ");

            Console.WriteLine("        FFFFFFF FFFFFFFf      FFFFFfff fFFFFFFFF    ");

            Console.WriteLine("        FFFFFf  FFFFFFF  f FFFFFFFFFfff  fFFFFFF    ");

            Console.WriteLine("        FFFFF  fFFFFFF   f FFFFFFFFFFff  fFFFFFF    ");

            Console.WriteLine("        FFFFF   FFFFFFF    FFFFFFFFFFf   fFFFFf     ");

            Console.WriteLine("         FFF     FFFFf     f  FFFFFFFffffFF         ");

            Console.WriteLine("          FF              FF  FFFFFFFFFFFFFff       ");

            Console.WriteLine("           fFF  FFf      FFF  FFFFFFFFFFFFFFF       ");

            Console.WriteLine("             FFF        fFFF  FFFFFFFFFFFFFF        ");

            Console.WriteLine("              fFFFf      fFf fFFFFFFFf fFF          ");

            Console.WriteLine("              fFFFf        FFFFFFFFFFf FFF          ");

            Console.WriteLine("              F  FFf       fFfFfFfFFFf FFF          ");

            Console.WriteLine("              F  FF F`F`F`F`F`FfFfFFFFFFF           ");

            Console.WriteLine("              F   ffF,F,F,F,F,F,FfFFFFFFF           ");

            Console.WriteLine("              F      fFfFfFfFfFfFfFFFFFFF           ");

            Console.WriteLine("              FF           FFFFFFFFFFFFFF           ");

            Console.WriteLine("              FFFFF        FFFFFFFFFFFFFF           ");

            Console.WriteLine("               FFFF       FFFFFFFFFFFFFF            ");

            Console.WriteLine("                FFFFFFFFFFFFFFFFFFFFFFF             ");

            Console.WriteLine("                   FFFFFFFFFFFFFFFFF                ");

            Console.ReadKey();

    }

}