//roman numeral converter
function convertRomanNumerals(num) {
var romanToNum = {
	M: 1000,
	CM: 900,
	D: 500,
	CD: 400,
	C: 100,
	XC: 90,
	L: 50,
	XL: 40,
	X: 10,
	IX: 9,
	V: 5,
	IV: 4,
	I: 1

};

var Roman = "";

for (var key in romanToNum) {
	console.log(key);
	while (num >= romanToNum[key]) {
		Roman += key;
		num -= romanToNum[key];
		console.log("Number is decreased to " + num)
	}
}

return Roman;
}

convertRomanNumerals(74);