#include <iostream>
#include <string>
using namespace std;
int main()
{
	short a, b;
	string r;
	cin >> a >> b;
	if (b > a)
	{
		r = "+" + to_string(b - a);
	}
	else if (b < a)
	{
		r = to_string(b - a);
	}
	else r = "0";
	cout << r << endl;
	return 0;
}