#include <bits/stdc++.h>
using namespace std;

#define int int64_t

void solve_() {
    int n;
    cin >> n;
    if (n & 1) {
        cout << "-1\n";
        return;
    }
    int a = n / 2, b = (1ll << 59) - (n / 2);
    assert(((a + b) ^ n) == (a ^ (n + b) ^ n));
    cout << a << " " << b << "\n";
}

#define MULTITEST

main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int tst = 1;
#ifdef MULTITEST
    cin >> tst;
#endif // MULTITEST
    while (tst--) {
        solve_();
    }
    return 0;
}