using System;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static void Main(string[] args)
    {
        int[] su = Console.ReadLine().Split().Select(int.Parse).ToArray();

        string ans = "0";

        if (su[0] < su[1])
        {
            ans = "+" + (su[1] - su[0]).ToString();
        }
        else if (su[1] < su[0])
        {
            ans = "-" + (su[0] - su[1]).ToString();
        }

        Console.WriteLine(ans);
        Console.Read();
    }
}