import java.util.*;

public class Main {

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