#include <bits/stdc++.h>
#define PB push_back
#define MP make_pair
#define REP(i,n) for (int i=0;i<(n);i++)
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define ALL(a) (a).begin(),(a).end()
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> P;
const int INF=1e9;
int main(){
      int n;
      cin>>n;
      int cnt[2],x[n];
      memset(cnt,0,sizeof(cnt));
      REP(i,n){
            cin>>x[i];
            cnt[x[i]%2]++;
      }
      cout<<max(cnt[0],cnt[1])-min(cnt[0],cnt[1])<<endl;
}