#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
using ll = long long;

int main(void){
  int mx=6000, now=0;
  for(int i=0; i<7; i++){
    int t; cin >> t;
    now+=t;
    if(now>mx||t==-1) cout << -1 << endl;
    else cout << mx-now << endl;
  }
  return 0; 
}