#include <bits/stdc++.h>
using namespace std;
inline long long read() {
  long long x = 0, f = 0;
  char ch = getchar();
  while (!isdigit(ch)) f |= (ch == '-'), ch = getchar();
  while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar();
  return f ? -x : x;
}
inline void write(long long x) {
  if (x < 0) x = -x, putchar('-');
  if (x >= 10) write(x / 10);
  putchar(x % 10 + '0');
}
long long n, a[200005], tot[200005], tong[105], mx, mxat, now;
signed main() {
  n = read();
  for (register long long i = 1; i <= n; i++) {
    a[i] = read();
    now = a[i];
    while (now && now % 2 == 0) {
      tot[i]++;
      now /= 2;
    }
    tong[tot[i]]++;
    if (tong[tot[i]] > mx) mx = tong[tot[i]], mxat = tot[i];
  }
  write(n - mx);
  puts("");
  for (register long long i = 1; i <= n; i++)
    if (tot[i] != mxat) write(a[i]), putchar(' ');
  return 0;
}
