import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.List;

public class No00000405_Main2 {
	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	static List<String> romeArr = Arrays.asList("I","II","III","IIII","V","VI","VII","VIII","IX","X","XI","XII");
	public static void main(String[] args) throws IOException {
		String[] arr = br.readLine().split(" ");
		System.out.println(romeArr.get((((romeArr.indexOf(arr[0]) + Integer.parseInt(arr[1])) % 12) + 12) % 12));
	}
}