#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic warning "-Wunused-function"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int tt;
  cin >> tt;
  while (tt--) {
    ll n;
    cin >> n;
    if (n <= 1) {
      cout << 0 << ' ' << 0 << '\n';
      continue;
    }
    int k = __lg(n);
    ll y1 = 1LL << k, x1 = n ^ y1;
    ll y2 = 1LL << (k - 1), x2 = y2 - 1;
    ll x, y;
    if (__int128(x1) * y1 >= __int128(x2) * y2) {
      x = x1, y = y1;
    } else {
      x = x2, y = y2;
    }
    cout << x << ' ' << y << '\n';
  }
}