R=range
J=lambda:list(map(int,input().split()))
for t in R(sum(J())):
	N,*_=J()
	if N<2:print(0,0);continue
	d=max(d for d in R(61)if(N>>d)&1)
	X=1<<d;Y=N^X
	Z=1<<(d-1);W=Z-1
	if X*Y>Z*W:print(X,Y)
	else:print(Z,W)