#include <bits/stdc++.h>

using namespace std;
using LL = long long int;

template <class TH> void _dbg(const char *sdbg, TH h){cerr<<sdbg<<"="<<h<<"\n";}
template<class TH, class... TA> void _dbg(const char *sdbg, TH h, TA... a) {
  while(*sdbg!=',')
    cerr<<*sdbg++;
  cerr<<"="<<h<<",";
  _dbg(sdbg+1, a...);
}

template<class T> ostream & operator<<(ostream & os, vector<T> V){
  os<<"[";
  for(auto vv: V) os << vv <<",";
  return os << "]";
}
template<class L, class R> ostream & operator <<(ostream & os, pair<L,R> P){
  return os <<"("<<P.st <<","<<P.nd <<")";
}

#ifdef DEBUG
#define debug(...) _dbg(#__VA_ARGS__, __VA_ARGS__)
#else
#define debug(...) (__VA_ARGS__)
#define cerr if(0)cout
#endif

int ans[100000];

int main() {
  int n;
  cin >> n;
  vector<pair<int,int>> w0, m0, v;
  for (int i = 1; i <= n; ++i) {
    int x;
    cin >> x;
    v.push_back({x / 2, x % 2});
  }

  int sum = 0;
  for (auto x : v) {
    sum += x.first;
  }

  if (sum == 0) {
    for (auto x : v) {
      cout << x.first << endl;
    }
    return 0;
  }


  debug(sum);
  for (int i = 0; i < (int)v.size(); ++i) {
    if (v[i].second == 0) {
      continue;
    }

    if (sum < 0 && v[i].first >= 0) {
      v[i].first++;
      sum++;
    } else if (sum > 0 && v[i].first <= 0) {
      v[i].first--;
      sum--;
    }
  }

  int ss = 0;
  for (auto x : v) {
    ss += x.first;
        cout << x.first << endl;
      }
      assert(ss == 0);
      return 0;
}