public static int charToInt(char c) {
		int data = 0;

		switch (c) {
		case 'I':
			data = 1;
			break;
		case 'V':
			data = 5;
			break;
		case 'X':
			data = 10;
			break;
		case 'L':
			data = 50;
			break;
		case 'C':
			data = 100;
			break;
		case 'D':
			data = 500;
			break;
		case 'M':
			data = 1000;
			break;
		}

		return data;
	}