static void Main(string[] args)
int num = int.Parse(Console.ReadLine());
for (int i = 1; i <= num; i++)
Console.Write(new string('*', i));
Console.Write(new string('-', (num * 2) - i * 2 + 1));
Console.WriteLine(new string('*', i));
int firstStars = num / 2;
for (int i = 0; i < num / 3; i++)
Console.Write(new string('*', firstStars));
Console.Write(new string('*', middle));
Console.Write(new string('*', firstStars));
for (int i = 1; i <= num; i++)
Console.Write(new string('-', i));
Console.Write(new string('*', (num * 2) - i * 2 + 1));
Console.WriteLine(new string('-', i));