"""鸡兔同笼"""

n = int(input())

l = list()

for k in range(n):
    a = int(input())

    if a%2 != 0:
        min = max = 0
    else:
        j = a/4
        i = a%4/2
        min = int(i+j)
        max = int(a/2)
    l += [(min,max)]

for b,c in l:
    print (b,c)

 

 学号：2020310143012

 昵称：苒若