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