#include <bits/stdc++.h>

using namespace std;
#define int long long

int mod = 1e9 + 7;
const int N = 1e6 + 5;
unordered_map<int, int> a, b;
void niko()
{

    int n;
    long long ans1 = 0, ans2 = 0;
    cin >> n;
    for (int i = 1; i <= n * 2; i++)
    {
        cin >> a[i];
        b[a[i]]++;
    }
    for (int i = 1; i <= 2 * n; i++)
    {
        if (b[a[i]] > 1)
        {
            ans1 += (b[a[i]] - 1);
        }
        else if (b[a[i]] == 1)
        {
            ans2++;
        }
        b[a[i]] = 0;
    }
    if (ans1 - 2 >= ans2)
    {
        cout << "Qingyu" << '\n';
    }
    else
    {
        cout << "Kevin" << '\n';
    }
}
signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    cin >> t;
    while (t--)
    {
        niko();
    }
}