#include <bits/stdc++.h>
using namespace std;
 
int main(){
  int a,b; cin>>a>>b;
  if(a==b){
      cout<<'0'<<endl;
  }
  else if(a>b){
      cout<<"-"<<a-b<<endl;
  }
  else if(b>a){
      cout<<'+'<<b-a<<endl;
  }
}