#include <bits/stdc++.h>
#define REP(i,n) for(int i = 0; i < (int)(n); ++i)
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{
        cout << '+' << b-a << endl;
    }
    return 0;
}