#include <iostream>
#include <cmath>
#include <iomanip>
#include <fstream>
using namespace std;

int main()
{
int n,impare=0, pare=0, v[100];
cin>>n;
for(int i=0; i<n; i++)
{
cin>>v[i];
}
for(int i=0; i<n; i++)
{
if(v[i]%2==0)
impare++;
if(v[i]%2==1)
pare++;
}
if(impare>pare)
cout<<impare-pare;
else
cout<<pare-impare;
}