#include <bits/stdc++.h>
using namespace std;
int main() {
	int a, b;
	cin >> a >> b;
	if(a < b) {
		cout << "+" << b - a << endl;
	} else if(a > b) {
		cout << b - a << endl;
	} else {
		cout << "0" << endl;
	}

	return 0;
}