#include <bits/stdc++.h>
using namespace std;

int main() {
  int64_t a, b;
  cin >> a >> b;
  if (a - b == 0) {
    cout << 0 << endl;
  } else if (a - b < 0) {
    cout << "-" << (b - a) << endl;
  } else {
    cout << "+" << (a - b) << endl;
  }
  return 0;
}