using System;

public class Hello
{
    public static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var a = int.Parse(line[0]);
        var b = int.Parse(line[1]);
        string ans;
        if (a == b) ans = "0";
        else if (b > a) ans = "+" + (b - a).ToString();
        else ans = "-" + (a - b).ToString();
        Console.WriteLine(ans);
    }
}