#include <bits/stdc++.h>
using namespace std;
long long gcd(long long a, long long b) {
  if (b == 0) return a;
  return gcd(b, a % b);
}
long long n;
long long b[200005];
long long cnt[65];
vector<long long> vec, vec2;
int main(void) {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cin >> n;
  for (int i = 1; i <= n; i++) cin >> b[i];
  for (int i = 1; i <= n; i++) {
    long long x = 0;
    for (long long t = b[i]; t % 2 == 0; t /= 2) x++;
    cnt[x]++;
  }
  long long mn = -1e9, mn_i;
  for (int i = 0; i < 65; i++) {
    if (mn < cnt[i]) {
      mn = cnt[i];
      mn_i = i;
    }
  }
  for (int i = 1; i <= n; i++) {
    if (!(b[i] % (1LL << mn_i) == 0 && b[i] % (1LL << (mn_i + 1))))
      vec.push_back(b[i]);
  }
  cout << (int)vec.size() << endl;
  for (int i = 0; i < vec.size(); i++) cout << vec[i] << " ";
  cout << endl;
  return 0;
}
