题解 | #鸡兔同笼#
鸡兔同笼
https://www.nowcoder.com/practice/fda725b4d9a14010bb145272cababef1
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
