public static void Main()
double Makabayan,Science,English,Math;
Console.WriteLine("Input Grades:\n");
Console.Write("Enter Makabayan: ");
Makabayan = Convert.ToDouble(Console.ReadLine());
Console.Write("Enter Science: ");
Science = Convert.ToDouble(Console.ReadLine());
Console.Write("Enter English: ");
English = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("Enter Math: ");
Math = Convert.ToDouble(Console.ReadLine());
double result = (Makabayan + Science + English + Math) / 4;
Console.WriteLine("The Average of {0}, {1}, {2}, {3}, {4}, Makabayan, Science, English, Math, result");