#include <iostream>

using namespace std;

struct Node{
int data;
Node* pNext;
};
class List{
private:
int count;
Node* pHead;
public:
List()
{
pHead = NULL;
}
void NhapData(int data)
{
Node* ptemp = new Node;
ptemp -> data = data;
ptemp -> pNext = pHead;
pHead = ptemp;
count++;
}
void XuatData()
{
Node* ptemp = pHead;
while(ptemp != NULL)
{
cout << ptemp -> data << " ";
ptemp = ptemp -> pNext;
}
}