fortunee

class Node {
    constructor(value) {
        this.value = value;
        this.next = null;
    }
}

class Queue {
    constructor() {
        this.size = 0;

fortunee

function fib(num){
  if (num <= 2) return 1;
  return fib(num - 1) + fib(num - 2);
}

fib(4);