public static Node<Integer> doSomething(int n) {

    int newN = n;
    Node<Integer> p = new Node<Integer>(newN%10);
    newN = newN/10;

    while(newN != 0) {
        Node<Integer> temp = new Node<Integer>(newN%10);
        temp.setNext(p);
        p = temp;
        newN = newN/10;
    }

    return p;
}