#include <bits/stdc++.h>

using namespace std;

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