#include<iostream>

using namespace std;

int main() {
	int a, b;

	cin >> a >> b;

	if (a == b) {
		cout << "0" << endl;
		return 0;
	}
	else if (a > b) {
		cout << "-" << a - b << endl;
		return 0;
	}
	else if (a < b) {
		cout << "+" << b - a << endl;
		return 0;
	}

	return 0;
}