public static void Main()
int num1, num2, num3, total=0;
Console.Write("Enter 1st Grade: ");
num1 = int.Parse (Console.ReadLine());
Console.Write("Enter 2nd Grade: ");
num2 = int.Parse (Console.ReadLine());
Console.Write("Enter 3rd Grade: ");
num3 = int.Parse (Console.ReadLine());
total = (num1 + num2 + num3) / 3;
Console.WriteLine ("Final Grade: " + total);
Console.WriteLine (grade);