//#![allow(unused)]
#[allow(unused_imports)]
use std::{
    cell::RefCell, convert::{Infallible, TryFrom, TryInto as _},
    fmt::{self, Debug, Display, Formatter,}, fs::{File}, hash::{Hash, Hasher},
    iter::{Product, Sum}, marker::PhantomData,
    ops::{Add, AddAssign, Sub, SubAssign, Div, DivAssign, Mul, MulAssign, Neg, RangeBounds},
    str::{FromStr, SplitWhitespace}, sync::{atomic::{self, AtomicU32, AtomicU64}, Once},
    collections::{*, btree_map::Range}, mem::{swap},
    cmp::{self, Reverse, Ordering, Eq, PartialEq, PartialOrd},
    thread::LocalKey, f64::consts::PI, time::Instant, rc::Rc,
    io::{self, stdin, Read, read_to_string, BufWriter, BufReader, stdout, Write},
};
#[allow(unused_imports)]
use proconio::{input, input_interactive, marker::{*}};
#[allow(unused_imports)]
//use rand::{thread_rng, Rng, seq::SliceRandom};
#[allow(unused_imports)]
//use ac_library::{*};

#[allow(dead_code)]
const INF: i64 = 1<<60;
#[allow(dead_code)]
const MOD: i64 = 1000000007;
#[allow(dead_code)]
const D: [(usize, usize); 4] = [(1, 0), (0, 1), (!0, 0), (0, !0)];

//use proconio::fastout;
//#[fastout]
fn main() {
    input! {
        t: usize,
    }
    for _ in 0..t{
        input!{
            n: usize,
        }
        if n <= 2000{
            let (mut mx, mut x, mut y) = (0, 0, 0);
            for i in 0..=n{
                for j in 0..=n{
                    if i*j > mx{
                        (mx, x, y) = (i*j, i, j);
                    }
                }
            }
            println!("{} {}", x, y);
        } else {
            let mut z = 0;
            for i in (0..60).rev(){
                let bit = 1<<i;
                if n & bit > 0{
                    z = bit;
                    break;
                }
            }
            let (mx, mut x, mut y) = (z as i128*(z as i128^n as i128), z, z^n);
            if mx < (z as i128/2)*((z as i128-1)^(z as i128/2)){
                (x, y) = (z/2, (z-1)^(z/2));
            }
            println!("{} {}", x, y);
        }
    }
}