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

class Program
{
    static void Main(string[] args)
    {
        int[] AB = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray();
        int diff = AB[1] - AB[0];

        Console.WriteLine(0 < diff ? "+" + diff.ToString() : diff.ToString());
    }
}