Untitled

#include <bits/stdc++.h>
using namespace std;

#define int long long
void __print(int x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned int x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }
template <typename T, typename V> void __print(const pair<T, V> &x) {
  cerr << '{';
  __print(x.first);
  cerr << ',';
  __print(x.second);
  cerr << '}';
}
template <typename T> void __print(const T &x) {
  int f = 0;
  cerr << '{';
  for (auto &i : x)
    cerr << (f++ ? "," : ""), __print(i);
  cerr << "}";
}
void _print() { cerr << "]\n"; }
template <typename T, typename... V> void _print(T t, V... v) {
  __print(t);
  if (sizeof...(v))
    cerr << ", ";
  _print(v...);
}
#ifndef ONLINE_JUDGE
#define debug(x...)                                                            \
  cerr << "[" << #x << "] = [";                                                \
  _print(x)
#else
#define debug(x...)
#endif

void solve() {
  int n;
  cin >> n;
  int a[n];
  for(int i=0;i<n;i++){
    cin >> a[i];
  }
  int odd[n];
  if(a[0]%2==0){
    odd[0] = 0;
  }
  else{
    odd[0] = 1;
  }
  for(int i=1;i<n;i++){
    if(a[i]%2==0){
      odd[i] = odd[i-1];
    }
    else{
      odd[i] = odd[i-1]+1;
    }
  }
  int sum[n];
  sum[0] = a[0];
  for(int i=1;i<n;i++){
    sum[i] = sum[i-1]+a[i];
  }



  for(int i=0;i<n;i++){
    // debug(i);
    if(i==0){
      cout << sum[i] << ' ';
      continue;
    }
    if(i==1){
      if(odd[i]==1){
        cout << sum[i]-1 << ' ';
        continue;
      }
      cout << sum[i] << ' ';
      continue;
    }
    if(odd[i]<=2){
      cout << sum[i] << ' ';
      continue;
    }
    odd[i] -= 2;
    if(odd[i]%2==1){
      odd[i]--;
      sum[i]--;
      if(odd[i]<=2){
      cout << sum[i] << ' ';
      continue;
    }
      odd[i]-=2;
      int odd_pair = odd[i]/2;
      int num = (odd_pair/3)-(odd_pair%3==0)+2;
      sum[i]-=num;
      cout << sum[i] << ' ';
      continue;
    }
    else{
    int odd_pair = odd[i]/2;
    int num = (odd_pair/3)-(odd_pair%3==0)+2;
    sum[i]-=num;
    cout << sum[i] << ' ';
    continue;
  }
  }
  cout << endl;
}

signed main() {
  int t = 1;
  cin >> t;
  while (t--) {
    solve();
  }

  return 0;
}