#define _USE_MATH_DEFINES
#include<cstdio>
#include <iostream>
#include<algorithm>
#include<string>
#include<queue>
#include<vector>
#include<functional>
#include<cmath>
#include<map>
#include<stack>
#include<set>
#include<numeric>

using namespace std;
typedef long long ll;
typedef pair<int, int> Pr;

int N;
int g, k;

int main()
{
	cin >> N;
	for (int i = 0; i < N; i++) {
		ll x; cin >> x;
		if (x % 2 == 0)
			g++;
		else
			k++;
	}
	int ans = abs(g - k);

	cout << ans << endl;
}