#include <bits/stdc++.h>
#define rep(i, ss, ee) for (int i = ss; i < ee; ++i)
using namespace std;

string solve() {
  int a, b, c;
  string ans;
  cin >> a >> b;
  c = b - a;
  if (c > 0)
    ans = "+" + to_string(c);
  else
    ans = to_string(c);
  return ans;
}

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << solve() << endl;
  getchar();
}