#include <bits/stdc++.h>
using namespace std;

#define int long long

void solve() {
    int n;
    std::cin >> n;
    
    std::vector<int> a(2 * n + 1);
    for (int i = 1; i <= 2 * n; i++) {
    	int x;
    	std::cin >> x;
    	a[x]++;
	}
	
	int ans = 0;
	
	for (int i = 1; i <= 2 * n; i++) {
		ans += std::max(0ll, a[i] - 1);
	}
	
	if(ans >= n) {
		std::cout << "Qingyu\n";
	} else {
		std::cout << "Kelin\n";
	}
}

signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    int t = 1;
     cin >> t;
    while(t--) {
        solve();
    }
}