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

class Program
{
    public void Solve()
    {
        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());
    }

    static void Main()
    {
        var solver = new Program();
        solver.Solve();
    }
}