for _ in range(int(input())):
	N=int(input())
	X=0
	Y=0

	if bin(N).count('1')==0:
		N-=1

	for i in reversed(range(64)):
		if (N>>i)&1>0:
			if X<=Y:
				X+=1<<i
			else:
				Y+=1<<i
	
	print(X,Y)