# import sys; input = sys.stdin.buffer.readline
# sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")
import copy

def getlist():
	return list(map(int, input().split()))

#処理内容
def main():
	N = int(input())
	X = getlist()
	odd = 0
	even = 0
	for i in X:
		if i % 2 == 0:
			even += 1
		else:
			odd += 1

	print(abs(odd - even))

if __name__ == '__main__':
	main()