public static String getGoal(final String b) {
		final String string = "123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
		final char[] ret = new char[b.length()];
		for (int i = 0; i < b.length() - 1; i++) {
			ret[i] = b.charAt(i) == '=' ? '=' : string.charAt(i);
		}
		ret[ret.length - 1] = '0';
		return new String(ret);
	}