#include <iostream>
#include <string>
#include <vector>
using namespace std;

class Subscriber{
public:
	string name, address, phone;
	double invoice;

	void print(){
		cout<<"- Name: "<<name<<"\n";
		cout<<"  Address: "<<address<<"\n";
		cout<<"  Phone: "<<phone<<"\n";
		cout<<"  Invoice value: "<<invoice<<"\n";
	}
};

int sort_quick_partition(vector<Subscriber>* v, int low, int high){
	int pivot = v->at(high).invoice;
	int i = low - 1;

	for(int j = low; j <= high - 1; j++){
		if(v->at(j).invoice > pivot){
			i++;
			swap(v->at(i), v->at(j));
		}
	}
	swap(v->at(i+1), v->at(high));

	return i + 1;
}
void sort_quick(vector<Subscriber>* v, int low, int high){
	if(low < high){
		int parti = sort_quick_partition(v, low, high);

		sort_quick(v, low, parti - 1);
		sort_quick(v, parti + 1, high);
	}
}
void sort_quick_driver(vector<Subscriber>* v){
	sort_quick(v, 0, v->size() - 1);
}

int main(){
	ios::sync_with_stdio(false);

	cout<<"Number of subscribers: ";
	int n;
	cin>>n;

	vector<Subscriber> v;
	for(int i=0; i<n; i++){
		Subscriber s;
		cin.ignore(5, '\n');
		cout<<"- Name: ";
		getline(cin, s.name);
		cout<<"  Address: ";
		getline(cin, s.address);
		cout<<"  Phone: ";
		getline(cin, s.phone);
		cout<<"  Invoice value: ";
		cin>>s.invoice;

		v.push_back(s);
	}

	sort_quick_driver(&v);

	cout<<"\n\n\nTop 3 invoice values:\n";
	for(int i=0; i<3; i++){
		v[i].print();
	}

	cout.flush();

	return 0;
}