N = int(raw_input()) arr = map(int, raw_input().split()) arr.sort() ### sub def subcheck(i): if len(arr) == i + 1: print len(arr) exit() if arr[i+1] % 2 == arr[i+2] % 2: sub(i+1) else: arr.pop(i+1) arr.pop(i+1) ### main while len(arr) >= 2: if arr[0] % 2 == arr[1] % 2: subcheck(0) else: arr.pop(0) arr.pop(0) print len(arr)