import java.util.Scanner;

public class b {
	public static void main(String args[]){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		String ansVal = Integer.toString(Math.abs(a - b));
		if(a > b){
			ansVal = "-" + ansVal;
		}else if(a < b){
			ansVal = "+" + ansVal;
		}
		System.out.println(ansVal);
	}
}