#include <iostream>
using namespace std;

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