import java.util.*;

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