public static void Main()
Console.WriteLine("enter integer from 0 to 99");
Value = int.Parse(Console.ReadLine());
Console.WriteLine("calculate A for (Additive) or M for (Multiplicative) persistance ");
operation = Console.ReadLine();
Value = (Value / 10) + (Value % 10);
Value = (Value / 10) * (Value % 10);
Console.WriteLine("The persistance is: ");
Console.WriteLine(count);