class Program
{
    static void Main(string[] args)
    {
        string[] inputNum = Console.ReadLine()!.Split(' ');
        int before = int.Parse(inputNum[0]);
        int after = int.Parse(inputNum[1]);

        int ans = after - before;
        if (ans > 0)
        {
            Console.WriteLine("+" + ans);
        }
        else if (ans <= 0)
        {
            Console.WriteLine(ans);
        }
    }
}