import java.io.*;
import java.util.*;


public class Main_yukicoder383 {

    public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
    	Printer pr = new Printer(System.out);

    	int a = sc.nextInt();
    	int b = sc.nextInt();

    	if (b > a) {
    		pr.printf("+%d\n", b - a);
    	} else if (b < a) {
    		pr.printf("-%d\n", a - b);
    	} else {
    		pr.printf("%d\n", 0);
    	}


        pr.close();
        sc.close();
    }

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}