#include <bits/stdc++.h>
using namespace std;
 
struct Data{
	string noidung, trang, cap;
};
 
int main(){
	ifstream in; in.open("VANBAN.txt");
	ofstream out; out.open("MUCLUC.txt");
	Data a[1000];
	int n = 0;
	string s;
	string page, level;
	while(getline(in, s)){
		if(s.find("Page") != string::npos){
			page = s.substr(5, 1);
		}
		if(s.find("Level") != string::npos){
			a[n].trang = page;
			a[n].cap = s.substr(5, 1);
			a[n].noidung = s.substr(8);
			++n;
		}
	}
	for(int i = 0; i < n; i++){
		if(a[i].cap == "1"){
			out << ">";
		}
		else if(a[i].cap == "2"){
			out << ">>";
		}
		else{
			out << ">>>";
		}
		out << a[i].noidung << "--- "<< a[i].trang << endl;
	}
}

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Page 1
Level1: Nhat ky la gi
Nhat ky la gi thi day la mot ban ghi cung
voi cac muc va duoc sap xep ...
Nhat ky la gi
Page 2
Level2: 5 Loi ich tu viec viet nhat ky
Nhu vay chung ta da tim hieu nhat ky la gi
va sau day voi nhung loi ich cua chung
mang lai

Level3: Nang cao ky nang ghi chep
Neu ban muon kha nang ghi chep cua minh van chuong 
tot cach tu duy


Level3: Luu tru ky niem
Nhat ky luu tru nhieu ky niem cua chung ta
dong thoi cung co nhieu loi ich