#include <bits/stdc++.h>
#define endl '\n'
using namespace std;
using ll = long long;

void solve() {
    vector<ll> T(7);
    for (int i = 0; i < 7; i++) cin >> T[i];

    bool found = false;
    ll sum = 0;
    for (int i = 0; i < 7; i++) {
        sum += T[i];
        if (T[i] == -1) found = true;
        if (6000 - sum < 0) found = true;
        if (found) {
            cout << -1 << endl;
            continue;
        }
        cout << 6000 - sum << endl;
    }

    return;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    ll T = 1;
    // cin >> T;
    while (T--) {
        solve();
    }
    return 0;
}