//#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
#define all(a) (a).begin(), (a).end()
using ll = long long;
const ll INF32 = 2e9;
const ll INF64 = 4e18;

void printYN(bool ok){
    if(ok)cout << "Yes" << endl;
    else cout << "No" << endl;
    return;
}

int main() {
    vector<int> T(7);
    rep(i, 7)cin >> T[i];
    int ans = 6000;
    bool ok = true;
    rep(i, 7){
        if(T[i]!=-1)ans -= T[i];
        else ok = false;
        if(ans<0)ok = false;
        cout << (ok?ans:-1) << endl;
    }
    return 0;
}