#include<iostream>
#include<iomanip>
#include<cmath>
#include<string>
#include<algorithm>
#include<vector>
#include<math.h>
#include<stack>
using namespace std;
int main(void){
    int H, W; cin >> H >> W;
    if(W - H >=0) cout << "+" << W - H << endl;
    if(W - H < 0) cout << "-" << abs(W - H) << endl;
    return 0;
}