#include <iostream>
#include <string>

using namespace std;

class TRoman
{
        private:
				string Numeral;
				int Decimal;
				int convertRoman(char letter);

        public:
				void setRoman(string RomanNumeral);
				void getRoman();
				void getDecimal();
				TRoman();
};

int main()
{
	TRoman Roman;
	string RomanNumeral = "";

	cout << "Please input a Roman Numeral:" << endl;
	cin >> RomanNumeral;

	Roman.setRoman(RomanNumeral);
	Roman.getRoman();
	Roman.getDecimal();

	return 0;
}

TRoman::TRoman()
{
	Numeral = "";
	Decimal = 0;
}

	void TRoman::setRoman(string RomanNumeral)
	{
		Numeral = RomanNumeral;

		for (int i = 0; i < Numeral.length(); i++)
		{
			int Value = convertRoman(Numeral[i]); 
			int Value2 = convertRoman(Numeral[i + 1]);

						if (Value < Value2)
						{
							Decimal = Decimal + (Value2 - Value);
							i++;
						}
						else
						{
							Decimal = Decimal + Value;
						}
		}
	}

	int TRoman::convertRoman(char letter)
	{
		switch(letter)
		{
		case 'i':
		case 'I':
			return 1;
			break;
		case 'v':
		case 'V':
			return 5;
			break;
		case 'x':
		case 'X':
			return 10;
			break;
		case 'l':
		case 'L':
			return 50;
			break;
		case 'c':
		case 'C':
			return 100;
		break;
		case 'd':
		case 'D':
			return 500;
			break;
		case 'm':
		case 'M':
			return 1000;
			break;
		default:
			return 0;
		}
}

	void TRoman::getRoman()
	{
		cout << "The Roman Numeral is: " << Numeral << "!!" << endl;
	}

	void TRoman::getDecimal()
	{
		cout << "The decimal number is: " << Decimal << "!!" << endl;
	}