using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        int[,] arr2d = new int[2,10];

        var rand = new Random();

        string max()

        {

            int big = arr2d[0, 0];

            int[] indexes = new int[2];

            for (int i = 0; i < 2; i++)

            {

                for (int j = 0; j < 10; j++)

                {

                    arr2d[i,j] = rand.Next(50);

                    if (big < arr2d[i, j])

                    {

                        big = arr2d[i, j];

                        indexes[0] = i;

                        indexes[1] = j;

                    }

                }

            }

            return "Element#"+indexes[0]+","+indexes[1]+" :"+big;

        }

        Console.WriteLine(max());

    }

}