/* -*- coding: utf-8 -*-
 *
 * 3088.cc:  No.3088 XOR = SUM - yukicoder
 */

#include<cstdio>
#include<cmath>
#include<algorithm>

using namespace std;

/* constant */

/* typedef */

using ll = long long;

/* global variables */

/* subroutines */

/* main */

int main() {
  int tn;
  scanf("%d", &tn);

  while (tn--) {
    ll n;
    scanf("%lld", &n);
    if (n == 0) { puts("0 0"); continue; }
    
    ll msb = 1;
    while ((msb << 1) <= n) msb <<= 1;

    ll x = msb, y = n ^ msb;
    if (x > 1) {
      ll x0 = (x >> 1), y0 = x0 - 1;
      if (logl(x) + logl(y) < logl(x0) + logl(y0))
	x = x0, y = y0;
    }

    printf("%lld %lld\n", x, y);
  }

  return 0;
}