using System;
public class Program
{
public static void Main()
string letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
foreach (char letter in letters)
Console.Write(letter);
if ((letter == 'G') || (letter == 'P') || (letter == 'S') || (letter == 'V') || (letter == 'X'))
Console.WriteLine();
}
else
if (letter == 'Y')
Console.Write(" and ");