#include <iostream>
#include <vector>
#include <cstdio>
#include <sstream>
#include <map>
#include <string>
#include <algorithm>
#include <queue>
#include <cmath>

using namespace std;


int main(){
	int n;
	cin >> n;
	int odd = 0;
	int even = 0;
	for(int i=0; i<n; i++){
		int x;
		cin >> x;
		if( x%2 == 0 ) even++;
		else odd++;
	}
	int ans = max(even, odd) - min(even, odd);
	cout << ans << endl;
	return 0;
}