class Solution {

public:

    vector<int> printListFromTailToHead(ListNode* head) {

        vector<int> result;

        stack<int> arr;

        ListNode* p = head;

        while(p!=NULL)

        {

            arr.push(p->val);

            p = p->next;

        }

        int len = arr.size();

        for(int i =;i < len;i++)

        {

            result.push_back(arr.top());

            arr.pop();

        }

        return result;

    }

};