MaxSumOfMNMatrix

using System;

class MaximalSumOfMandN
{
    static void Main()
    {
        int n, m, count = int.MinValue, maxCount = int.MinValue, one = 0, two = 0, three = 0, four = 0, five = 0, six = 0, seven = 0, eight = 0, nine = 0;
        n = int.Parse(Console.ReadLine());
        if (n < 3)
        {
            Console.WriteLine("The N value must be at least equal to 3!");
        }
        m = int.Parse(Console.ReadLine());
        if (n < 3)
        {
            Console.WriteLine("The M value must be at least equal to 3!");
        }
        int[,] myMatrix = new int[n,m];

        for (int row = 0; row < n; row++)
        {
            for (int col = 0; col < m; col++)
            {
                myMatrix[row, col] = int.Parse(Console.ReadLine());
            }
        }
        for (int rowA = 0, rowB = 1, rowC = 2; rowC < n; rowA++, rowB++, rowC++)
        {
            for (int colA = 0, colB = 1, colC = 2; colC < m; colA++, colB++, colC++)
            {
                count = myMatrix[rowA, colA] + myMatrix[rowA, colB] + myMatrix[rowA, colC] + myMatrix[rowB, colA] + myMatrix[rowB, colB] + myMatrix[rowB, colC]
                    + myMatrix[rowC, colA] + myMatrix[rowC, colB] + myMatrix[rowC, colC];

                if (count  > maxCount)
                {
                    maxCount = count;
                    one = myMatrix[rowA, colA];
                    two = myMatrix[rowA, colB];
                    three = myMatrix[rowA, colC];
                    four = myMatrix[rowB, colA];
                    five = myMatrix[rowB, colB];
                    six = myMatrix[rowB, colC];
                    seven = myMatrix[rowC, colA];
                    eight = myMatrix[rowC, colB];
                    nine = myMatrix[rowC, colC];
                }
                else
                {
                    continue;
                }
            }

        }

        for (int row = 0; row < n; row++)
        {
            for (int col = 0; col < m; col++)
            {
                Console.Write(myMatrix[row, col] + " ");
            }
            Console.WriteLine();
        }
        Console.WriteLine("\n\r\n\r");
        Console.WriteLine("{0}, {1}, {2} \n\r{3}, {4}, {5} \n\r{6}, {7}, {8} \n\r\n\rMax sum = {9}", one, two, three, four, five, six, seven, eight, nine, maxCount);
        Console.WriteLine();
    }
}