T=int(input())
for _ in range(T):
    N=int(input())
    x,y=0,0
    first = True
    ans=0
    x_,y_=0,0
    for i in range(59,-1,-1):
        if first:
            if x+(1<<i)<=N:
                x+=(1<<i)
                first=False
        else:
            if (1>>i)+((1<<i)+1)<=N and ans<=(1<<i)*((1<<i)-1):
                ans=(1<<i)*((1<<i)-1)
                x_=(1<<i)
                y_=(1<<i)-1
            if x+y+(1<<i)<=N:
                y+=(1<<i)
    if ans<=x*y:
        ans=x*y
        x_=x
        y_=y
    assert x_^y_==x_+y_
    assert x_+y_<=N
    print(x_,y_)
    #print(x_*y_,140737488355328*131090694490576)