#include <iostream>
#include <vector>
#include <algorithm>

#define REP(i, a, b) for (int i = int(a); i < int(b); i++)

using namespace std;

typedef long long int lli;

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