#include <iostream>

using namespace std;

int sum = 0, notX, isX, subNotX, subIsX, h;
string s;

int its(string s) {
    int result = 0;
    for (int i = 0 ; i < s.length() ; i++)
        result = result * 10 + s[i] - 48;
    return result;
}

int main()
{
    cin >> h;
    for (int i = 0 ; i < h ; i++) {
        cin >> s;
        if (s == "x") {
            notX   += subNotX;
            isX    += subIsX + 1;
            subIsX += 1;
        } else {
            notX    += subNotX + its(s);
            isX     += subIsX;
            subNotX += its(s);
        }
        cout << isX << endl;
    }

    cout << notX << " + " << isX;
}