public static void Main()
Console.WriteLine("Please enter two integers less than 255.");
string strNo1 = Console.ReadLine();
int iNo1 = Convert.ToInt32(strNo1);
string strNo2 = Console.ReadLine();
int iNo2 = Convert.ToInt32(strNo2);
if (iNo1 >= 255 || iNo2 >= 255)
Console.WriteLine("These numbers are too big!");
Console.WriteLine("Thank you. :)");