#include<iostream>
int main() {
	int A, B;
	std::cin >> A >> B;
	if (A < B) {
		std::cout << "+" << B - A << std::endl;
	}
	if (A > B) {
		std::cout << "-" << A - B << std::endl;
	}
	else {
		std::cout << "0" << std::endl;
	}
	return 0;
}