Butterfly

using System;

namespace ButterFly
{
	class Program
	{
		public static void Main(string[] args)
		{
			int n = int.Parse(Console.ReadLine());
			for(int i = 1; i <= n - 2; i++)
			{
				if(i % 2 != 0)
				{
					Console.WriteLine("{0}\\ /{0}", new string('*', n - 2));
				}
				if(i % 2 == 0)
				{
					Console.WriteLine("{0}\\ /{0}", new string('-', n - 2));
				}
			}
			Console.WriteLine("{0}@{0}", new string(' ', n - 1));
			for(int i = 1; i <= n - 2; i++)
			{
				if(i % 2 != 0)
				{
					Console.WriteLine("{0}/ \\{0}", new string('*', n - 2));
				}
				if(i % 2 == 0)
				{
					Console.WriteLine("{0}/ \\{0}", new string('-', n - 2));
				}
			}
			Console.Write("Press any key to continue . . . ");
			Console.ReadKey(true);
		}
	}
}