class fiboApp
{
	public static int fibo(int n)
	{
		if((n == 0) || (n == 1))
			return 1;
		else 
			return fibo(n-1) + fibo(n-2);
	}

	public static void main(String[] args)
	{
		System.out.println(fibo(5));
	}
}