#include<bits/stdc++.h>
using namespace std;
int main(){
    cin.tie(nullptr)->ios::sync_with_stdio(false);
    const int N=7;
    array<int,N> A;
    for(int i=0;i<N;i++) cin>>A[i];
    const int T=6000;
    int sum{};
    for(int i=0;i<N;i++){
        if(A[i]==-1 or sum==-1){
            sum=-1;
            cout<<-1<<"\n";
            continue;
        }
        sum+=A[i];
        if(sum<=T) cout<<T-sum<<"\n";
        else cout<<-1<<"\n";
    }
}