#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (ll i = 0; i < (n); i++)

int main() {
    ll ans = 6000;
    bool f = false;
    rep(i, 7) {
        ll t;
        cin >> t;
        if (f || t == -1) cout << -1 << endl, f = true;
        else {
            ans -= t;
            cout << max(-1LL, ans) << endl;
        }
    }
    return 0;
}