#include <bits/stdc++.h>
using namespace std;

int main() {
  int64_t N;
  cin >> N;
  int64_t ans = 0;
  for (int i = 0; i < N; i++) {
    int64_t x;
    cin >> x;
    if (x & 1) ans++;
    else ans--;
  }
  cout << max(ans, -ans) << endl;
  return 0;
}