public static void Main()
Console.WriteLine( "Nhap so n" );
n = int.Parse(Console.ReadLine());
Console.WriteLine(" Hom nay la thu hai ");
Console.WriteLine(" Hom nay la thu ba ");
Console.WriteLine(" Hom nay la thu tu ");
Console.WriteLine(" Hom nay la thu nam");
Console.WriteLine(" Hom nay la thu ");
Console.WriteLine(" Hom nay la thu bay");
Console.WriteLine(" Hom nay la chu nhat");