using System;

public class Program

{

    public static void Main()

    {

        int[,] myarray = new int[,]

        {

            {11, 22, 33, 44, 55 },

            {16, 27, 38, 49, 50 },

            {10, 29, 38, 47, 56 },

            {15, 24, 33, 42, 51 },

        };

        for (int row = 0; row < myarray.GetLength(0); row++)

        {

            Console.WriteLine("The greatest number in row {0} is {1}", row, findmax(row, myarray));

        }

    }

    static int findmax(int row, int[,] myarray)

    {

        int max = myarray[row, 0];

        for (int column = 0; column < myarray.GetLength(1); column++)

        {

            if (myarray[row, column] > max)

                max = myarray[row, column];

        }

        return max;

    }

}