#include <bits/stdc++.h>
using namespace std;
#define endl "\n"
int n, m;

int a[2000100];

int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int T;
	cin >> T;
	while (T--)
	{
		int n;
		cin >> n;
		vector<int> mp(n * 2 + 1);
		for (int i = 1; i <= 2 * n; i++)
		{
			cin >> a[i];
			mp[a[i]]++;
		}
		int l = 1, r = 2 * n;
		bool ok = true;
		while (l <= r)
		{
			if (a[l] != a[r])
			{
				ok = false;
				break;
			}
			l++, r--;
		}
		if (ok)
		{
			cout << "Qingyu\n";
			continue;
		}
		int cnt1 = 0, cnt2 = 0;
		for (int i = 1; i <= 2 * n; i++)
		{
			if (mp[i] == 1) cnt1++;
			else if (mp[i] > 1) cnt2 += (mp[i] - 1);
		}
		if (cnt2 < cnt1) cout << "Kevin\n";
		else cout << "Qingyu\n";
	}


	return 0;
}