public static void Main (string[] args)
Console.WriteLine("enter a number");
num = int.Parse(Console.ReadLine());
Console.WriteLine("enter a number");
num = int.Parse(Console.ReadLine());
Console.WriteLine("yes");
Console.WriteLine("enter a number");
n = int.Parse(Console.ReadLine());
Console.WriteLine("enter a number");
n = int.Parse(Console.ReadLine());
Console.WriteLine("maximum = " + max);