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