题解 | #鸡兔同笼#

def maxNum(n):
    if n%2==1:return 0
    if n%2==0:return n//2
def minNum(n):
    if n%2==1:return 0
    if n%4==0:return n//4
    else:return n//4+1



while True:
    try:
        num=int(input())
        max=maxNum(num)
        min=minNum(num)
        print(f'{min} {max}')
    except EOFError:
        break