#include <stdio.h>
#include <iostream>//cin/cout
#include <string>//cout string
#include <functional>//rambda
#include <algorithm>
#include <iterator>//next/prev
#include <cmath>
#include <numeric>//iota
#include <vector>
#include <array>
#include <set>
#include <map>
#include <queue>

using namespace std;

using llong = long long;
const llong INF = 1LL << 60;//INF > 10^18(1e18)
const int INF32 = 1LL << 30;//INF32 > 10^9(1e9)
template <typename T> bool chmax(T& max, const T& b) {
	if (max >= b) return false;
	max = b;	return true;
}
template <typename T> bool chmin(T& min, const T& b) {
	if (min <= b) return false;
	min = b;	return true;
}
///////////////////ここまでtoolbox/////////////////////////////////////

int main() {
	vector<int>T(7);
	int ans = 6000;
	bool finish = false;
	for (int i = 0; i < 7; i++) {
		cin >> T[i];
		if (T[i] == -1 or ans<T[i]) {
			finish = true;
		}
		if(finish){
			cout << -1 << endl;
		}
		else {
			ans -= T[i];
			cout << ans << endl;
		}
	}
	return 0;
}