static void Main()
                {
                        double scores1, scores2, scores3, scores4, scores5, average;
                        scores1 = 90;
                        scores2 = 77;
                        scores3 = 91;
                        scores4 = 55;
                        scores5 = 99;
                        average = System.Math.Round(((scores1 + scores2 + scores3 + scores4 + scores5) / 5),2);
                        Console.Write("The average is: " + average);
                        Console.ReadLine();
                }