// Nguyễn Tuấn Anh | MSV: CT030104

#include<stdio.h>
#include<stdlib.h>
typedef struct Node{
	int Data;
	struct Node* pNext;
}Node;
Node* Head;
Node* Tail;
Node* pNode;

void createNode(int data){
	pNode=(Node*)malloc(sizeof(Node));
	if(pNode==NULL){
		printf("Cap phat du lieu khong thanh cong !");
		exit(0);
	}
	else{
		pNode->Data=data;
		pNode->pNext=NULL;
	}
}

void addHead(int data){
	if(Head==NULL){
		Head=Tail=pNode;
	}
	else{
		pNode->pNext=Head;
		pNode=Head;
	}
}
void addTail(int data){
	if(Head==NULL){
		Head=Tail=pNode;
	}
	else{
		Tail->pNext=pNode;
		Tail=pNode;
	}
}
void input(){
	FILE* f;
	int data;
	f=fopen("Data.txt","r");
	while(!feof(f)){
		fscanf(f,"%d",&data);
		createNode(data);
		addTail(data);
	}
	fclose(f);
}
void output(){
	pNode=Head;
	printf("Du lieu duoc lay tu file la:\n");
	while(pNode!=NULL){
		printf("%d",pNode->Data);
		printf("\n");
		pNode=pNode->pNext;
	}
}
int main(){
	int Data;
	input();
	output();
}