using System;

public class Program

{

    public static void Main()

    {

        int [,] numbers = new int [4,5]

        {

            {14,13,2,64,18},

            {32,24,69,78,54},

            {43,56,91,12,17},

            {21,65,23,39,1},

        };

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

        {

            Console.WriteLine("Maximum number in row {0}:{1}",row, GetMax(row,numbers));

        }

    }

    static int GetMax(int row, int[,] numbers)

    {

        int max = numbers[row,0];

        for(int c = 0; c < numbers.GetLength(1);c++)

        {

            if (numbers[row, c] > max)

            {

                max = numbers[row,c];

            }

        }

        return max;

    }

}