class Program
{
    static void Main(string[] args)
    {
        double varrr = Divide(10, 0);
    }

    static double Divide(double a, double b)
    {
        double c = 0;
        try
        {
            c = a / b;
            return c;
        }
        catch (DivideByZeroException)
        {
            Console.WriteLine("Division by zero not allowed");
            return 0;
        }
    }

}

static double Divide(int a, int b)
{
    int c = 0;
    try
    {
        c = a / b;
        return c;
    }
    catch (DivideByZeroException)
    {
        Console.WriteLine("Division by zero not allowed");
        return 0;
    }
}