using System;

​

public class MyProgram

{

    public static void Main(String[] args)

    {

        int i;

        int z;

        for (i = 0 ; i <= 6 ; i += 1)

        {

            for (z = 0 ; z <= 8 ; z += 1)

            {

                Console.Write("@ ");

            }

            Console.WriteLine("");

        }

    }

}

​

​