#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using ld = long double;
using vi = vector<int>;
using vl = vector<ll>;
#define pb push_back
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define all(v) (v).begin(), (v).end()
int n=7;

int main() {
    int sum=0;
    rep(i,7){
        int a;
        cin >> a;
        if(a==-1||sum+a>6000)cout << -1 << "\n";
        else{
            sum+=a;
            cout << 6000-sum << "\n";
        }
    }
}