#include<iostream>
using namespace std;

int main(){

	int r,dr;
	cin>>r>>dr;
	if (r < dr) {
		cout<<"+"<< dr - r <<endl;
	}
	else if(r == dr){
		cout<<"0"<<endl;
	}
	else if(r > dr){
		cout<<"-"<<r - dr<<endl;
	}

	return 0;
}