#include<bits/stdc++.h>

using namespace std;


using i32 = int32_t;
using i64 = long long;


using vi = vector<int>;
using pii = pair<int, int>;

void solve() {
    int n;
    cin >> n;
    int N = n * 2;
    vi cnt(N + 1);
    for (int i = 1, x; i <= N; i++)
        cin >> x, cnt[x]++;
    set<pii> vis;
    for (int i = 1; i <= N; i++)
        vis.emplace(cnt[i], i);
    for (int i = 1; i < n; i++) {
        auto it = *vis.rbegin();
        vis.erase(it);
        if (--it.first > 0) vis.insert(it);
        it = *vis.begin();
        vis.erase(it);
        if (--it.first > 0) vis.insert(it);
    }
    if (vis.size() == 2) cout << "Kevin\n";
    else cout << "Qingyu\n";
    return;
}

i32 main() {
    ios::sync_with_stdio(false), cin.tie(nullptr);
    int T;
    for (cin >> T; T; T--)
        solve();
    return 0;
}