#include <bits/stdc++.h>
 
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
 
mt19937 rng((int) chrono::steady_clock::now().time_since_epoch().count());
    
const int MOD = 1e9 + 7;
const int MAXN = 1e6 + 5;
const int INF = 1e9;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int t;
    cin >> t;
    while (t--) {
        int n, x;
        cin >> n;
        set<int> st;
        for (int i = 0; i < 2 * n; i++) {
            cin >> x;
            st.insert(x);
        }
        cout << ((int)st.size() <= n ? "Qingyu\n" : "Kevin\n");
    }
    return 0;
}