#include <bits/stdc++.h>
#define dd(x) cout << #x << "\n"
#define d(x) cout << #x  << ": " << x << "\n"
using namespace std;
#define int long long
using pii = pair<int, int>;
using vpii = vector<pii>;
using vi = vector<int>;
using vii = vector<vector<int>>;
using a3 = array<int, 3>;
const int inf = 0x3f3f3f3f3f3f3f3fLL;

void solve() {
    int n; cin >> n;
    vector<int> a(2 * n + 1), cnt(2 * n + 1);
    for(int i = 1; i <= 2 * n; i++) {
        cin >> a[i];
        cnt[a[i]]++;
    }
    // int max1 = 0, max2 = 0;
    sort(cnt.begin(), cnt.end());
    int x = *--cnt.end() + *(--(--cnt.end()));
    if(x > n) cout << "Qingyu\n";
    else cout << "Kevin\n";
}

signed main() {
    ios::sync_with_stdio(false); cin.tie(0);
    int T; cin >> T;
    while(T--) solve();
    return 0;
}

/*
3
3
1 1 4 5 1 4
2
1 2 3 4
4
1 2 2 3 2 1 1 4

*/