#include <iostream>
using namespace std;

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