#include <iostream>
using namespace std;

int main (void) {
    int a, b;
    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> a >> b;
    if (a > b) {
        cout << "-" << a - b << endl;
    } else if (a < b) {
        cout << "+" << b - a <<endl;
    } else { cout << 0 << endl;}
    return 0;
}