import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Scanner;
import java.util.Set;

public class Main {

	public static int toInt(String str){
		final String[] arr = {"I","II","III","IIII","V","VI","VII","VIII","IX","X","XI","XII"};
		
		for(int i = 0; i < 12; i++){
			if(str.equals(arr[i])){
				return i;
			}
		}
		
		return 0;
	}
	
	public static String toStr(final int i){
		return new String[]{"I","II","III","IIII","V","VI","VII","VIII","IX","X","XI","XII"}[i];
	}
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		final int S = toInt(sc.next());
		final int T = sc.nextInt();
		
		int ans_int = S;
		while(ans_int < 0){ ans_int += 12; }
		ans_int += 12;
		ans_int += T;
		while(ans_int < 0){ ans_int += 12; }
		ans_int %= 12;
		
		System.out.println(toStr(ans_int));
		
		
	}

}