#include <ios>
#include <iostream>
#include <vector>

using namespace std;
using ll = long long;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);

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

  bool find = false;
  for (int i = 0; i < 7; i++) {
    int sum = 0;
    if (T[i] == -1) find = true;
    for (int j = 0; j <= i; j++) sum += T[j];

    if (!find && sum <= 6000) {
      cout << 6000 - sum << '\n';
    } else {
      cout << -1 << '\n';
    }
  }
}