def main():
    N = int(input())
    nums = map(int, input().split())
    odd_count = 0
    even_count = 0

    for num in list(nums):
        if num % 2 == 0:
            even_count += 1
        else:
            odd_count += 1

    distance = odd_count - even_count
    print(abs(distance))

if __name__ == '__main__':
    main()