using System;

public class Program {
	public void Solve() {
		string[] rome = {"I","II","III","IIII","V","VI","VII","VIII","IX","X","XI","XII"};
		string[] s = Console.ReadLine().Split(' ');
		DateTime dt = new DateTime (2017, 11, 6, Array.IndexOf(rome, s[0]), 0, 0);
		dt = dt.AddHours(int.Parse(s[1]));
		Console.WriteLine(rome[dt.Hour % rome.Length]);
	}
	
	public static void Main(string[] args) {
		Program program = new Program();
		program.Solve();
	}
}