#include <iostream>
#include <math.h>
#include <algorithm>
#include <functional>
#include <vector>
#include <typeinfo>
#include <climits>
#include <ctype.h>
#include <string>
using namespace std;
#define INIT cin.tie(0); ios::sync_with_stdio(false);
#define FOR(i, a, n) for (int i = a; i < n; i++)
#define REP(i, n) for(int i = 0; i < n; i++)

int main()
{
    INIT;

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


    return 0;
}