using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Fibonacci(2));

        Console.WriteLine(Fibonacci(9));

    }

    public static int Fibonacci(int number)

    {

        if (number <=2)

          return 1;

          else

          return Fibonacci( number - 1 ) + Fibonacci( number - 2 );

    }

}