import java.util.Scanner;

class Question383
{
	public static void main(String[] str)
	{
	
		Scanner scan = new Scanner(System.in);
		
		int a = scan.nextInt();
		int b = scan.nextInt();
		

		if(b-a > 0){
			System.out.println("+"+Integer.toString(Math.abs(a-b)));
		}
		else if(b-a < 0){
			System.out.println("-"+Integer.toString(a-b));
		}
		else{
			System.out.println("0");
		}
	}
}