import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class No00000383_Main {
	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	public static void main(String[] args) throws IOException {
		String[] arr = br.readLine().split(" ");
		int a = Integer.parseInt(arr[0]);
		int b = Integer.parseInt(arr[1]);
		String s ="";
		if(a < b) {
			s = "+" + (b - a);
		} else if(a > b) {
			s = "-" + (a - b);
		} else {
			s = "0";
		}
		System.out.println(s);
	}
}