import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = b-a;
        if(c>0){
            System.out.println("+" + c);
        }else{
            System.out.println(c);
        }
    }
}