package main

import (
	"fmt"
	"math"
	"bufio"
	"os"
	"strconv"
)

func main() {
	var N int
	a := make([]int64, 2)
	fmt.Scan(&N)
	for i:=0; i<N; i++{
		x := int64(nextInt())
		a[abs(x%2)] += 1
	}
	fmt.Println(abs(a[0]-a[1]))
}

func abs(x int64) int64{
	return int64(math.Abs(float64(x)))
}

var s = bufio.NewScanner(os.Stdin)
func next() string {
	s.Split(bufio.ScanWords)
	s.Scan()
	return s.Text()
}
func nextInt() int {
	i, e := strconv.Atoi(next())
	if e != nil {
		panic(e)
	}
	return i
}