import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.stream.Stream;

import static java.lang.System.in;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(in));
        String[] inputs = reader.readLine().split(" ");
        int a = Integer.parseInt(inputs[0]);
        int b = Integer.parseInt(inputs[1]);
        System.out.println(formatRateChange(a,b));
    }

    private static String formatRateChange(int previous, int current) {
        if(previous==current) {
            return "0";
        } else if (previous < current) {
            return "+" + (current-previous);
        } else {
            return "-" + (previous-current);
        }
    }
}