using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using System.Numerics;


class Program
{
    public void Proc()
    {
        Reader.IsDebug = false ;
        int[] inpt = Reader.ReadLine().Split(' ').Select(a => int.Parse(a)).ToArray();

        int num = inpt[1] - inpt[0];

        string ans = num.ToString();
        if (num > 0)
        {
            ans = "+" + num;
        }
        Console.WriteLine(ans);


    }


    public class Reader
    {
        public static bool IsDebug = true;
        private static String PlainInput = @"


2179 2218





";
        private static System.IO.StringReader Sr = null;
        public static string ReadLine()
        {
            if (IsDebug)
            {
                if (Sr == null)
                {
                    Sr = new System.IO.StringReader(PlainInput.Trim());
                }
                return Sr.ReadLine();
            }
            else
            {
                return Console.ReadLine();
            }
        }
    }
    static void Main()
    {
        Program prg = new Program();
        prg.Proc();
    }
}