#include <iostream>
#include <vector>

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(NULL);
    
    std::vector<int> times(7);
    for (int i = 0; i < 7; ++i) {
        std::cin >> times[i];
    }
    
    int contest_time = 6000;
    int rem = contest_time;
    
    for (int time : times) {
        if (time != -1) {
            rem -= time;
        } else {
            rem = -1;
        }
        
        int ans = (rem >= 0) ? rem : -1;
        
        std::cout << ans << "\n";
    }

    return 0;
}