public static void Main()
int loop, grade1, grade2;
for (loop = 1; loop < 6; loop++)
Console.WriteLine("name grade1 garde2");
name = Console.ReadLine();
grade1 = int.Parse(Console.ReadLine());
grade2 = int.Parse(Console.ReadLine());
avg = (grade2 + grade1) / 2.0;
Console.WriteLine("name :" + name + "avg :" + avg);
Console.WriteLine("great studiets: " + greats);