#include <bits/stdc++.h>
using namespace std;
#define int long long
void solve() {
    int n;
    cin >> n;
    set <int> se;
    for (int i = 1; i <= n * 2; i++) {
        int x;
        cin >> x;
        se.insert(x);
    }
    if (se.size() > n) {
        cout << "Kevin\n";
    } else {
        cout << "Qingyu\n";
    }
}
signed main() {
    int T;
    cin >> T;
    while (T--) {
        solve();
    } 
    return 0;
}