#include <bits/stdc++.h>
#define fastIO (cin.tie(0), cout.tie(0), ios::sync_with_stdio(false))
#define precise(i) fixed << setprecision(i)
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
using namespace std;

int main() {
  fastIO;
  int even = 0, odd = 0;

  int n;
  cin >> n;
  for (int i = 0; i < n; ++i) {
    int x;
    cin >> x;
    if (x % 2 == 0) {
      even++;
    } else {
      odd++;
    }
  }
  cerr << "even, odd = " << even << " " << odd << '\n';
  cout << max(even, odd) - min(even, odd) << '\n';

  return 0;
}