#include <iostream>

using namespace std;

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