class Foo
{
    static void Main()
    {

       int my_int = 51;
       int my_other_int;

       try { my_other_int = double_value(my_int); }
       catch
       {
           System.Console.WriteLine("Value > 100 exception...\n");
           System.Environment.Exit(1);
       }
    }

    static int double_value(int foo)
    {
        foo = foo * 2;
        if (foo > 100) throw new System.Exception();
        return (foo);
    }
}