using System;

namespace yukicoder
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] s = Console.ReadLine().Split(' ');
            int a = int.Parse(s[0]);
            int b = int.Parse(s[1]);
            int ans = 0;
            if (a > b)
            {
                ans = a - b;
                Console.WriteLine("-{0}", ans);
            }
            else if(a<b)
            {
                ans = b - a;
                Console.WriteLine("+{0}", ans);
            }
            else
            {
                Console.WriteLine("0");
            }

            
        }
    }
}