#include <iostream>
#include <string>
using namespace std;
string trim(string);
int main() {
	char  getline[100];
	string s;
	cin.getline( getline , sizeof(getline));
	s = getline;
	s = trim(s);
	int a = s.find(" ");
	string s1 = s.substr(0, a);
	s1 = trim(s1);
	string s2 = s.substr(a, s.size());
	s2 = trim(s2);
	int num1 = stoi(s1);
	int num2 = stoi(s2);
	int result = num2 - num1;
	if (result > 0) {
		cout << "+" << result << endl;
	}
	else if (result == 0) {
		cout << result << endl;
	}
	else {
		cout << result << endl;
	}
	return 0;
}

string trim(string s) {
	while (true) {
		if (s.substr(0, 1) == " ") {
			s = s.substr(1, s.size() - 1);
		}
		else {
			break;
		}
	}
	while (true) {
		if (s.substr(s.size() - 1, 1) == " ") {
			s = s.substr(0, s.size() - 1);
		}
		else {
			break;
		}
	}
	return s;
}