#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int even = 0, odd = 0;
  for (int i = 0; i < n; i++) {
    long num;
    cin >> num;
    if (num % 2 == 0) {
      even++;
    } else {
      odd++;
    }
  }
  cout << min(odd, even);
}
