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

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

}