import java.util.regex.*;
 
class UnisClass {
    private static final Pattern PATTERN =
            Pattern.compile("^M{0,3}(C[DM]|D?C{0,3})(X[LC]|L?X{0,3})(I[VX]|V?I{0,3})$");
	public static void main (String[] args) {
		String ha = "XXXIV";
		Matcher matcher = PATTERN.matcher(ha);
		System.out.println(matcher.matches());
		if (matcher.matches()) {
		    System.out.println(matcher.group());
		    System.out.println(matcher.group(1));
		    System.out.println(matcher.group(2));
		    System.out.println(matcher.group(3));
		}
	}
}

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