Программа не выдает ответ - C#

using System;
 
class Program
{
    public static double Y(double x)
    {
        return 1 / (Math.Sqrt(x * x + 3.2));
    }
 
    public static double Simpson()
    {
        double x, a, b, c, h, s;
        int n;
        Console.Write("The interval of integration [a, b] =====> (a) = ");
        a = double.Parse(Console.ReadLine());
 
        Console.Write("The interval of integration [a, b] =====> (b) = ");
        b = double.Parse(Console.ReadLine());
 
        Console.Write("Division into parts? n = ");
        n = int.Parse(Console.ReadLine());
 
        h = (b - a) / n;
        s = 0;
        c = 1;
        x = a + h;
        while (x < b)
        {
            s = s + (3 + c) * Y(x);
            c = -c;
        }
        s = h / 3 * (s + Y(a) - Y(b));
        Console.WriteLine("Integral = {0}", s);
        return 0;
    }
 
    public void Show()
    {
        Console.WriteLine(Simpson());
    }
}
 
class ProgramDemo
{
    static void Main()
    {
        Program ob = new Program();
        ob.Show();
    }
}