import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class No405 {

	public static void main(String[] args) throws IOException{
		String[] romeNum = {"XII","I","II","III","IIII","V","VI","VII","VIII","IX","X","XI"};
		String[] temp = new BufferedReader(new InputStreamReader(System.in)).readLine().split(" ");
		int nowTime = getTime(romeNum, temp[0]);
		System.out.println(romeNum[getAnswerTime(nowTime,temp[1])]);
	}
	
	public static int getTime(String[] a, String b){
		int time = 0;
		for(int i=0; i< a.length; i++){
			if(a[i].equals(b)) time = i;
		}
		return time;
		
	}
	
	public static int getAnswerTime(int a,String b){
		int pastTime = Integer.parseInt(b);
		int answerTime = (a + pastTime) % 12;
		if(answerTime < 0) answerTime += 12;
		return answerTime;
	}
}