#include <iostream>
using namespace std;

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