#include <bits/stdc++.h>
using namespace std;

class romanType {
public:
    string r;
    int d;

    romanType(string rn) {
        r = rn;
    }

    int convert() {
    	int res = 0;

    	for (int i = 0; i < r.length(); i++) {
    		int s1 = value(r[i]);
    		if (i + 1 < r.length()) {
    			int s2 = value(r[i + 1]);
    			if (s1 >= s2) {
    				res = res + s1;
    			} else {
    				res = res + s2 - s1;
    				i++;
    			}
    		} else {
    			res = res + s1;
    		}
    	}
    	d = res;
    }

    int value(char r) {
    	if (r == 'I')
    		return 1;
    	if (r == 'V')
    		return 5;
    	if (r == 'X')
    		return 10;
    	if (r == 'L')
    		return 50;
    	if (r == 'C')
    		return 100;
    	if (r == 'D')
    		return 500;
    	if (r == 'M')
    		return 1000;

    	return -1;
    }

    void display(string which) {
        if (which == "r")
            cout << "Roman numeral: " << r << endl;
        else
            cout << "Decimal: " << d << endl;
    }
};

int main() {
    romanType rn("MCXIV");
    rn.convert();
    rn.display("r");
    rn.display("d");

	return 0;
}