import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);

    	int a = sc.nextInt(), b = sc.nextInt();
    	
    	if(a < b)		System.out.println("+" + (b - a));
    	else if(a > b)	System.out.println("-" + (a - b));
    	else			System.out.println(0);
    }
}