#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC target("sse4")
using namespace std;
template <class c>
struct rge {
  c b, e;
};
template <class c>
rge<c> range(c i, c j) {
  return rge<c>{i, j};
}
template <class c>
auto dud(c* x) -> decltype(cerr << *x, 0);
template <class c>
char dud(...);
struct debug {
  template <class c>
  debug& operator<<(const c&) {
    return *this;
  }
};
const long long N = 1e5 + 5;
int32_t main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  long long n;
  cin >> n;
  vector<long long> a(n), b;
  for (long long i = 0; i < n; i++) {
    cin >> a[i];
    if (a[i] & 1) {
      b.push_back(i);
    } else {
      a[i] = a[i] / 2;
    }
  }
  long long k = 0;
  for (long long i = 0; i < (long long)b.size(); i++) {
    if (a[b[i]] >= 0) {
      if (!k) {
        a[b[i]] = (a[b[i]] + 1) / 2;
      } else {
        a[b[i]] = a[b[i]] / 2;
      }
    } else {
      if (k) {
        a[b[i]] = (a[b[i]] - 1) / 2;
      } else {
        a[b[i]] = a[b[i]] / 2;
      }
    }
    k ^= 1;
  }
  for (long long i = 0; i < n; i++) {
    cout << a[i] << "\n";
  }
  return 0;
}
