#include <iostream>
using namespace std;

int main(){
	int a, b;
	cin >> a >> b;
	if(a < b){
		cout << "+" << b-a << endl;
	}else if(a > b){
		cout << "-" << a-b << endl;
	}else{
		cout << "0" << endl;
	}
	return 0;
}