using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Fib(10));

    }

    private static double Fib(double n, double a = 0, double b = 1)

    {

        if (n==0) return 0;

        if (n==1) return a;

        Console.Write("{0},",a);

        return Fib(n-1, b, a+b);

    }

}