public class FibonacciNumbers {
    
  public static void main(String[] args) {
    int result = RecurFib(6);
    System.out.println(result);
  }
  
  public static int RecurFib(int n) {
    if (n > 2) {
      return RecurFib(n - 1) + RecurFib(n - 2);
    } else {
      return 1;
    }
  }
  
}