#include <iostream>

using namespace std;

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