#633 Paritate1

#include <iostream>
using namespace std;

int v[1005] , n , nri , nrp;

int main()
{
    cin >> n;
    for(int i = 1 ; i <= n ; ++i)
        cin >> v[i];
    nri = nrp = 0;
    for(int i = 1 ; i <= n ; ++i)
        if(v[i] % 2 == 0)
            nrp ++;
        else
            nri ++;
    if(nrp > nri)
        cout << nrp - nri;
    else
        cout << nri - nrp;
    return 0;
}