Add Two Matrix

 const int Row = 3;
               const int column = 3;
            int[,] firstmatrix=new int[Row,column];
            int[,] secondmatrix = new int[Row, column];
            int[,] Sum = new int[Row, column];
            Console.WriteLine("...3 * # Matrix....");

            Console.WriteLine("Enter the Firstmatrix..");

            for (int i = 0; i < Row; i++)
            {
                for (int j = 0; j < column; j++)
                {
                    Console.Write("["+i+","+j+"]:");
                    firstmatrix[i,j] = int.Parse(Console.ReadLine());

                }
                Console.WriteLine("");

            }
            Console.WriteLine("Enter the Secondmatrix..");

            for (int i = 0; i < Row; i++)
            {
                for (int j = 0; j < column; j++)
                {
                    Console.Write("[" + i + "," + j + "]:");
                    secondmatrix[i, j] = int.Parse(Console.ReadLine());

                }
                Console.WriteLine("");

            }
            Console.WriteLine("Firstr Matrix...");
            for (int i = 0; i < Row; i++)
            {
                for (int j = 0; j < column; j++)
                {
                  //  Console.Write("[" + i + "," + j + "]:");
                    Console.Write(""+firstmatrix[i, j]);
                    Console.Write("   ");
                }
                Console.WriteLine("   ");

            }
            Console.WriteLine("Second Matrix...");
            for (int i = 0; i < Row; i++)
            {
                for (int j = 0; j < column; j++)
                {
                    //  Console.Write("[" + i + "," + j + "]:");
                    Console.Write("" + secondmatrix[i, j]);
                    Console.Write("   ");
                }
                Console.WriteLine("   ");

            }

            Console.WriteLine("Addtwo Matrix");
            for (int i = 0; i < Row; i++)
            {
                for (int j = 0; j < column; j++)
                {
                    //  Console.Write("[" + i + "," + j + "]:");
                   Sum[i,j]=firstmatrix[i, j]+secondmatrix[i, j];
                }
                Console.WriteLine("   ");

            }
            for (int i = 0; i < Row; i++)
            {
                for (int j = 0; j < column; j++)
                {
                    Console.Write("" + Sum[i, j]);
                    Console.Write("   ");
                }
                Console.WriteLine("   ");

            }
            Console.ReadKey();