#include<iostream>
using namespace std;


class List {
private:

    int length; //the number of elements on the list

    struct element
        {
        int *parr;
        int size;
        int key;
        element *next;
        };

    element *head;

public:
     List(); //constructor
    void removeElement(int key);
    void insert(int how_large, int key);
    void print();

    int get(int key, int index);
    void set(int key, int index, int value);


    }




List::element()
{
 head=NULL;
 length = 0;
 }