鸡兔同笼

N=int(input())
for i in range (N):
    n=int(input())
    if n % 2 != 0:
        a=i=0
    elif n % 4 == 0:
        a = n / 2
        i = n / 4
    else:
        i = (n / 2)/4+1
        a = n / 2
    print ("%d %d"%(i,a))