public static String romanNumeral(int i){
		String ret = "";
		while(i > 1000){
			ret += "M";
			i -= 1000;
		}
		while(i > 500){
			ret += "D";
			i-=500;
		}
		while(i > 100){
			ret += "C";
			i-=100;
		}
		while(i > 50){
			ret += "L";
			i-=50;
		}
		while(i > 10){
			ret += "X";
			i-=10;
		}
		while(i > 5){
			ret += "V";
			i-=5;
		}
		while(i > 1){
			ret += "I";
			i-=1;
		}
		return ret;
	}