using System;

public class Program {
	public void Solve() {
		string[] s = Console.ReadLine().Split(' ');
		int ans = int.Parse(s[1]) - int.Parse(s[0]);
		if (ans > 0) {
			Console.WriteLine("+" + ans);
		} else {
			Console.WriteLine(ans);
		}
	}
	
	public static void Main(string[] args) {
		Program program = new Program();
		program.Solve();
	}
}