using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

namespace ConsoleApp87

{

   public class Program

    {

      public  static void Main()

        {

            int sum = 0, d = 0, s;

            int[,] A = new int[4, 7];

            Random r = new Random();

            for (int i = 0; i < 4; i++)

            {

                Console.WriteLine();

                for (int j = 0; j < 7; j++)

                {

                    A[i, j] = r.Next(10);

                    Console.Write(A[i, j] + " ");

                    if(A[i,j]>0)

                    {

                        sum = sum + A[i, j];

                        d++;

                    }

                }

            }

            s = sum / d;

            Console.WriteLine(" ");

            Console.WriteLine("Arifmetikalik ortasy: "+s);

            Console.ReadLine();

        }

    }

}