#include <stdlib.h>
#include <stdio.h>



////////////////////////////////////////////////
struct T{
    int n;
    T* pNext;
};


 //////////////////////////////////////////////
class LL{
    public:
    T* pHead;
    T* pTail;
    int count;
    LL(){
        pHead = 0;
        pTail = 0;
        count = 0;
    }
    void add(int incializing)
    {
        T* p = (T*)malloc(sizeof(T));


        if(pHead == 0)
        {

            pTail = pHead = p;
        }
        else
        {

            pTail->pNext = p;

            pTail = p;
        }
        p->n = incializing;
        count++;
        p->pNext = 0;
    }


    void print()
    {
        T* p = pHead;

        while(p)
        {

            printf("%d\n", p->n);
            p = p->pNext;
        }
    }
};