using System;
public class Program
{
    public static void Main()
    {
        //int num = int.Parse(Console.ReadLine() ?? string.Empty);
        string[] str = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
        //string str = Console.ReadLine() ?? string.Empty;

        int a = int.Parse(str[0]);
        int b = int.Parse(str[1]);

        if(a>b)
        {
            Console.WriteLine(b-a);
        }
        else if(b>a) 
        {
            Console.WriteLine("+{0}",b-a); 
        }
        else
        {
            Console.WriteLine(0);
        }
    }
}