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

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