#include "stdafx.h"
#include <iostream>
#include <cmath>

using namespace std;

class Money {
private:
	long int roubles;
	long int copeiki;
public:
	Money(long int rub, long int cop) {
		roubles = rub;
		if (cop > 99) {
			roubles += cop / 100;
			copeiki = cop % 100;
		}
		else {
			copeiki = cop;
		}
	}

	Money(long int cop) {
		roubles = 0;
		if (cop > 99) {
			roubles += cop / 100;
			copeiki = cop % 100;
		}
		else {
			copeiki = cop;
		}
	}

	Money() {
		roubles = 0;
		copeiki = 0;
	}

	~Money() {}

	void moneyAdd(long int rub, long int cop) {
		roubles += rub;
		if (copeiki + cop > 99) {
			roubles += (copeiki + cop) / 100;
			copeiki = (copeiki + cop) % 100;
		}
		else {
			copeiki += cop;
		}
		if (copeiki < 0) {
			copeiki += cop;
		}
	}

	void moneyTake(long int rub, long int cop) {
			roubles -= rub;
			copeiki -= cop;
		if (copeiki < -99) {
			roubles += copeiki / 100;
			copeiki = copeiki % 100;
		}
		if (copeiki < 0 || roubles < 0) {
			cout << "You owe us " << fabs(roubles) << " roubles and " << fabs(copeiki) << " copeek. ";
		}
	}

	void getMoney() {
		cout << "Your money: " << roubles << " roubles and " << copeiki << " copeek" << endl;
		if (copeiki < 0 || roubles < 0) {
			cout << "You owe us " << fabs(roubles) << " roubles and " << fabs(copeiki) << " copeek. ";
		}
		else {
			cout << "You owe us 0 roubles and 0 copeek. ";
		}
	}

	void display() {
		bool isWorking = true;
		while (isWorking) {
			system("cls");
			cout << "What would you like to do?" << endl;
			cout << "1. Display info about your money. " << endl;
			cout << "2. Add money. " << endl;
			cout << "3. Take money. " << endl;
			cout << "4. Exit. " << endl;
			cout << "______________________________" << endl;
			cout << "Your choice: ";
			int n = 0;
			long int rub, cop;
			cin >> n;
			switch (n) {
			case 1: {
				system("cls");
				getMoney();
				system("PAUSE");
				break;
			}
			case 2: {
				system("cls");
				cout << "How much money would you like to add?" << endl;
				cout << "Roubles: " << endl;
				cin >> rub;
				cout << "Copeiki: " << endl;
				cin >> cop;
				if (rub < 0)
					rub = fabs(rub);
				if (cop < 0)
					cop = fabs(cop);
				moneyAdd(rub, cop);
				system("PAUSE");
				break;
			}
			case 3: {
				system("cls");
				cout << "How much money would you like to take?" << endl;
				cout << "Roubles: " << endl;
				cin >> rub;
				cout << "Copeiki: " << endl;
				cin >> cop;
				if (rub < 0)
					rub = fabs(rub);
				if (cop < 0)
					cop = fabs(cop);
				moneyTake(rub, cop);
				system("PAUSE");
				break;
			}
			case 4: {
				system("cls");
				cout << "Goodbye! " << endl;
				isWorking = false;
				system("PAUSE");
				break;
			}
			}
		}
	}
};


int main() {
	Money mon;
	mon.display();
	return 0;
}