#include <algorithm>
#include <iostream>
#include <string>
#include <vector>

using i64 = long long;
using i128 = __int128_t;
using u32 = unsigned int;
using u64 = unsigned long long;
using u128 = __uint128_t;

void set_io(std::string name)
{
#ifndef NO_FREOPEN
  freopen((name + ".in").c_str(), "r", stdin);
  freopen((name + ".out").c_str(), "w", stdout);
#endif
  std::cin.tie(nullptr);
  std::ios::sync_with_stdio(false);
}

void solve()
{
  int N;
  std::cin >> N;
  int n = N * 2;
  std::vector<int> cnt(n);
  for (int i = 0; i < n; i++) {
    int a;
    std::cin >> a;
    a--;
    cnt[a]++;
  }
  std::vector<int> ccnt(n + 1);
  for (int i = 0; i < n; i++) ccnt[cnt[i]]++;
  int p = n;
  while (!ccnt[p]) p--;
  int q = 1;
  while (!ccnt[q]) q++;
  for (int i = 0; i < n - 2; i++) {
    if (i % 2 == 0) {
      ccnt[p]--;
      ccnt[p - 1]++;
      q = std::min(q, p - 1);
      while (!ccnt[p]) p--;
    } else {
      ccnt[q]--;
      ccnt[q - 1]++;
      q--;
    }
    if (q == 0) {
      q = 1;
      while (!ccnt[q]) q++;
    }
  }

  if (ccnt[2]) std::cout << "Qingyu" << std::endl;
  else std::cout << "Kevin" << std::endl;
}

int main()
{
  int t;
  std::cin >> t;
  while (t--) solve();
}