public static void Main()
Console.WriteLine("Write your grade in math.");
int math = int.Parse(Console.ReadLine());
Console.WriteLine("Write your grade in physics.");
int physics = int.Parse(Console.ReadLine());
Console.WriteLine("Write your grade in computer science.");
int computersci = int.Parse(Console.ReadLine());
avg = (math+physics+computersci)/3;
if ((avg>92) && (math>90) && (physics>90) && (computersci>90))
Console.WriteLine("You proceeded to the next level of the competition!");
Console.WriteLine("You failed. :(");