#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int arr[n];
  int o = 0, e = 0;
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
    if (arr[i] % 2 == 0)
      e++;
    else
      o++;
  }
  if (e > o)
    cout << o;
  else
    cout << e;
  return 0;
}
