1.2 KB | 1226 chars
"""
[5747: Odd or Even](https://www.acmicpc.net/problem/5747)
Tier: Silver 5
Category: greedy
"""
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
SYS_INPUT = True
RECURSION_LIMIT = 10 ** 7
SET_RECURSION = False
BLANK = " "
if SET_RECURSION:
sys.setrecursionlimit(RECURSION_LIMIT)
inp = lambda : sys.stdin.readline().rstrip() if SYS_INPUT else input()
mii = lambda : [*map(int,inp().split())]
mfi = lambda : [*map(float,inp().split())]
ii = lambda : int(inp())
fi = lambda : float(inp())
isplit = lambda : inp().split()
p = print
def gcd(a, b): return gcd(b, a % b) if b > 0 else a
def lcm(a, b): return a * b // gcd(a, b)
def solve():
while True:
n = ii()
if n == 0:
break
Xi = list(map(int, input().split()))
Yi = list(map(int, input().split()))
even_X = sum(1 for x in Xi if x % 2 == 0)
odd_X = n - even_X
even_Y = sum(1 for y in Yi if y % 2 == 0)
odd_Y = n - even_Y
john_wins = 0
john_wins += min(even_X, odd_Y)
john_wins += min(odd_X, even_Y)
mary_wins = n - john_wins
print(mary_wins)
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()