#include <iostream>
#include <algorithm>
using namespace std;

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